\(-2x-40=\left(5-x\right)-\left(-15+60\right)\)
\(-2x-40=5-x+15-60\)
\(-2x-40=-40-x\)
\(-2x+x=-40+40\)
\(-x=0\)
\(x=0\)
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\(-2x-40=\left(5-x\right)-\left(-15+60\right)\)
\(-2x-40=5-x+15-60\)
\(-2x-40=-40-x\)
\(-2x+x=-40+40\)
\(-x=0\)
\(x=0\)
tim x :-2x-40=(5-x)-(-15+60)
tìm x:
-2x-40=(5-x)-(-15+60)
-2x-40=(5-x)-(-15+60)
tim x
Tìm x biết :
-2x - 40 = (5 - x) - (-15 + 60)
tìm x biết:
-2x-40=(5-x)-(-15+60)
tim x biet -2x-40=(5-x)-(-15+60)
1 tìm x thuộc Z
-2x-40=(5-x)-(-15+60)
2.(x-5)-3(x+7)=14
-7.(5-x)-2(x-10)=15
x+18=2-2x
Tìm x € Z biết
a: -2x -40= (5-x)- (-15+ 60)
b: 2.(x-5)- 3.(x+7) =14
c: 3.(x-4)-( 8-x)=12
d: 4.( x-5)- (x+7) =-19
e: x+18= 6-2x
f: x+5= 20-4x
g: -12+ x= 5x-20
-2 . x – 40 = (5 – x) – (-15 + 60)