17+6.x=518:51417+6.x=518:514
⇒17+6.x=54⇒17+6.x=54
⇒6.x=625−17⇒6.x=625−17
⇒6.x=608⇒6.x=608
⇒x=3043
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Các câu hỏi tương tự
Tìm x biết
a, 5 ( x + 35 ) = 515
b, 12x - 33 = 32 . 33
c, 6.x - 5 = 9
d, 4.( x - 12 ) + 9 = 17
12 + 18 + 24 + 36 + 42 + 48. b) 327 - 16 + 216 - 27 + 500
c) 385 x485 + 386x 515. d) 16x 48 + 8 x48 + 16x 28
e) 2x 4 x8 x50x 25x 125 g) 17 x 8 + 51 x 4
1/ Tìm số nguyên x
a) 2.x -18 = 10
b) 3.x + 26 = 5
c) I x-2 I = 0
2/ Tính hợp lí
a ) 18 .17 -3 .6.7
b) 54-6 (17 + 9)
c) 33. (17-5) -17 .(33-5)
tìm x
x+8/10=17/18-17/20
x-1/10=1/15
(3/5-2)+13/20=5/6
243-4*(2x+17)=18
x*x^3=81
(7x+6)*5^5=5^8
a,-8/3+7/5+-71/15<x<-13/7+19/14+-7/2
b,-19/6+-15/2+11/3<x<-5/4+19/12+-10/3
c,-6/7+3/35<x<-2/5+3/7
d,x=3/4+1/-12
e,x/14=1/7+-3/14
f,11/18+13/6=85/x
g,8/17+5/17<x/17<6/17+9/17
Tìm số nguyên x, biết:
1) -16 + 23 + x = - 16
2) 2x – 35 = 15
3) 3x + 17 = 12
4) (2x – 5) + 17 = 6
5) 10 – 2(4 – 3x) = -4
6) - 12 + 3(-x + 7) = -18
1tính
a) (-6-18 ) : (-4)
b) -28 . (50-42 ) - 35 . ( 34 - 62 )
c) -18 - (-5) + 26
d) -72 . 69 + 31 . (-72)
e) 7 . (-6)2 + ( -42) .17
f) (-38+45 ). ( -36)
2 tìm x
a) x + 49 = 17
b) 18-3x=-15
c) (x-5)=2
d) 15-3(x-2)=-6
e) 36-(18+x)=55
f) -4 |x|=-12
a, x+2=-9-11
b, x-2=-6+17
c,2x+5=-9+18
d, x+9=2-17
e, /x-5/=5
g,/x-5/=/-5/
h, (x-7)(x+8)=0 i, /x-2/=/-72/
Tìm các số nguyên x, biết:
a) (2x - 5) + 17 = 6
b) (-18) . x = -36
c) 15 - (-11x - 7) = -22