Các câu hỏi tương tự
Bài toán 3 : Tìm x, biết.a. 2(x – 5) – 3(x + 7) 14 b. 5(x – 6) – 2(x + 3) 12c. 3(x – 4) – (8 – x) 12 d. -7(3x – 5) + 2(7x – 14) 28e. 5(3 – 2x) + 5(x – 4) 6 – 4x f. -5(2 – x) + 4(x – 3) 10x – 15g. 2(4x – 8) – 7(3 + x) |-4|(3 – 2) h. 8(x – |-7|) – 6(x – 2) |-8|.6 – 50k. -7(5 – x) – 2(x – 10) 15 l. 4(x – 1) – 3(x – 2) -|-5|m. -4(x + 1) + 89x – 3) 24 n. 5(x – 30 – 2(x + 6) 9o. -3(x – 5) + 6(x + 2) 9 p. 7(x – 9) – 5(6 – x) – 6 + 11xq. 10(x – 7) – 8(x + 5) 6.(-5) + 24
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Bài toán 3 : Tìm x, biết.
a. 2(x – 5) – 3(x + 7) = 14 b. 5(x – 6) – 2(x + 3) = 12
c. 3(x – 4) – (8 – x) = 12 d. -7(3x – 5) + 2(7x – 14) = 28
e. 5(3 – 2x) + 5(x – 4) = 6 – 4x f. -5(2 – x) + 4(x – 3) = 10x – 15
g. 2(4x – 8) – 7(3 + x) = |-4|(3 – 2) h. 8(x – |-7|) – 6(x – 2) = |-8|.6 – 50
k. -7(5 – x) – 2(x – 10) = 15 l. 4(x – 1) – 3(x – 2) = -|-5|
m. -4(x + 1) + 89x – 3) = 24 n. 5(x – 30 – 2(x + 6) = 9
o. -3(x – 5) + 6(x + 2) = 9 p. 7(x – 9) – 5(6 – x) = – 6 + 11x
q. 10(x – 7) – 8(x + 5) = 6.(-5) + 24
làm hooj mình với
tìm x
a) -5 .(2-x)+4(x-3)=10x-15
b)5.(3-2x)+5.(x-4)=6-4x
c)-7.(3x-5)+2.(7x-14)=28
d)4.(x-5)-3.(x+7)=5.(-4)
e)5.(4-x)-7.(-x+2)=4-9+3
làm chi tiết nhé rồi mình hack cho mỗi câu 2 like
a,5(3-2x)+5(x-4)=6-4x
b-5(2-x)+4(x-3)=10x-15
C,2(4x-8)-7(x-3)=|-4|(3-2)
d,8(x-|-7|)-6(x-2)=|-8|.6-50
a)-5.(-x+7)-3.(-x-5)=-4.(12-x)+48
b) (-x-7)-5.(-x-3)=12.(3-x)
c)-2.(15-3x)-4.(7x+8)=-5-9.(-2x+1)
d) (-3x-7) - 4.(-2x-11)=7.(4x+10)+9
Bàitoán1 : Tìm x, biết.a. 2(x – 5) – 3(x + 7) 14b. 5(x – 6) – 2(x + 3) 12c. 3(x – 4) – (8 – x) 12d. -7(3x – 5) + 2(7x – 14) 28e. 5(3 – 2x) + 5(x – 4) 6 – 4xf. -5(2 – x) + 4(x – 3) 10x – 15g. 2(4x – 8) – 7(3 + x) |-4|(3 – 2)h. 8(x – |-7|) – 6(x – 2) |-8|.6 – 50k. -7(5 – x) – 2(x – 10) 15l. 4(x – 1) – 3(x – 2) -|-5|m. -4(x + 1) + 89x – 3) 24n. 5(x – 30 – 2(x + 6) 9o. -3(x – 5) + 6(x + 2) 9p. 7(x – 9) – 5(6 – x)...
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Bàitoán1 : Tìm x, biết.
a. 2(x – 5) – 3(x + 7) = 14
b. 5(x – 6) – 2(x + 3) = 12
c. 3(x – 4) – (8 – x) = 12
d. -7(3x – 5) + 2(7x – 14) = 28
e. 5(3 – 2x) + 5(x – 4) = 6 – 4x
f. -5(2 – x) + 4(x – 3) = 10x – 15
g. 2(4x – 8) – 7(3 + x) = |-4|(3 – 2)
h. 8(x – |-7|) – 6(x – 2) = |-8|.6 – 50
k. -7(5 – x) – 2(x – 10) = 15
l. 4(x – 1) – 3(x – 2) = -|-5|
m. -4(x + 1) + 89x – 3) = 24
n. 5(x – 30 – 2(x + 6) = 9
o. -3(x – 5) + 6(x + 2) = 9
p. 7(x – 9) – 5(6 – x) = – 6 + 11x
q. 10(x – 7) – 8(x + 5) = 6.(-5) + 24
a.2left(x-5right)-3left(x+7right)14b.5left(x-6right)-2left(x+3right)12c.3left(x-4right)-left(8-xright)12d.-7left(3x-5right)+2left(7x-14right)28e.5left(3-2xright)+5left(x-4right)6-4xf.-5left(2-xright)+4left(x-3right)10x-15g.2left(4x-8right)-7left(3+xright)|-4|left(3-2right)h.8left(x-|-7|right)-6left(x-2right)|-8|.6-50cứ từ từ mà giải cũng đc
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\(a.2\left(x-5\right)-3\left(x+7\right)=14\)
\(b.5\left(x-6\right)-2\left(x+3\right)=12\)
\(c.3\left(x-4\right)-\left(8-x\right)=12\)
\(d.-7\left(3x-5\right)+2\left(7x-14\right)=28\)
\(e.5\left(3-2x\right)+5\left(x-4\right)=6-4x\)
\(f.-5\left(2-x\right)+4\left(x-3\right)=10x-15\)
\(g.2\left(4x-8\right)-7\left(3+x\right)=|-4|\left(3-2\right)\)
\(h.8\left(x-|-7|\right)-6\left(x-2\right)=|-8|.6-50\)
cứ từ từ mà giải cũng đc
Tìm x
a,-5×(-x+7)-3×(-x-5)=-4×(12-x)+48
b,-2×(15-3x)-4×(-7x+8)=,-5-9×(-2x+1)
c,7×(-x-7)-5×(-x-3)=12×(3-x)
d,5×(-3x-7)-4×(-2x-11)=7×(4x+10)+9
Tìm x:
1) 2x + 12 = 3(x - 7)
2) -10 + 2 (x + 1) = 4x - 8
3) -5 - (24 - 2x) = = -11 + x
4) 2(x - 5) - 3(x + 7) = 14
5) 4(x + 3) - 5(2 - x) = 10x - 15
tim x
-2x(6x-2)+3x(4x-7)=8
(7x-2)(2x+3)-(3x-5)(4x+6)=2x2-5
+(-2x+3)-6x(3x-4)=-22x2+7x