\(\left(x-7\right):3+1=22\)
\(\Rightarrow\left(x-7\right):3=22-1\)
\(\Rightarrow\left(x-7\right):3=21\)
\(\Rightarrow x-7=21\cdot3\)
\(\Rightarrow x-7=63\)
\(\Rightarrow x=63+7\)
\(\Rightarrow x=70\)
Tìm x biet:
a,93/17:x+(-21/17):x+22/7:22/3=5/14
b,-32/27-(3x-7/9)^3=-24/27
c,[(3,75:1/4)+12/5.125%)-(7/2.0,8-1,2:3/2)]:(3/2+0,75)x=64
Tìm các số nguyên x biết: a) (-7).x = -35; b) ( -14) .x = -28 c) 22.x + 1= 45; d) ( -2) . x + 3 = -7
Tìm x : bt
a , 22/7 : ( 11 - x ) + 2/3 = 7/5
b , 22 * ( x + 1 ) - 12,5 = 53,5
c , ( x - 1/2 ) * 5/2 +1/2 = 7/4
d , x + x * 1/4 : 2/7 + x : 2/9 = 255
Tìm x biết:
a, x+1/10+x+1/11+x+1/12+x+1/13
b,x+10/20+x+8/22=x+6/24+x+3/27
c,x+7/19+x3/15=x+7/16+x+3/15
Tìm x, biết:
a) 2(x-1) + 3x = -22
b) 5(x+4) - 3(x+7) = -101
2.(x-5)-3.(x-4)=-6+15:9-3)
(x+7).(x-9)=0
/2x-5/-7=22
(/2x/-5)-7=22
tìm x,y thuộc z biết:x+y=x.y
1 Tìm x,biết
a) x-14=3x+18
b) (x+7).(x-9)=0
c) /2x-5/-7=22
d)(/2x/-5)-7=22
e)/x+3/+/x+9/+/x+5/=4x
2)Tìm x;y thuộc z biết
a)(2x-1).(y+4)
b)(2x-1).(y-4)
c)(5x+1).(y-1)=4
d)5xy-5x+y=5
Tìm x biết
a, 2/3 . x + 1/2 = 1/10
b, ( 7/2 - 2x ) . 4/3 = 22/3
Tìm X
a. 26 - 3 x X = 11
b. 7 x X - X : 1/5 = 28
c. 16 - X + 14 = 22
