Question

Tìm x:
- (2x - 3) + (4 + x) = 0

Answer 1

\(\Rightarrow-2x+3+4+x=0\\ \Rightarrow x=7\)

Answer 2

<=> -2x +3 +4+x =0

<=> -x +7=0

<=> x=7

Answer 3

−(2𝑥−3)+(4+𝑥)=0

−2𝑥+3+(4+𝑥)=0

−2𝑥+3+(𝑥+4)=0

−2𝑥+3+𝑥+4=0

−2𝑥+7+𝑥=0

−𝑥+7=0

−𝑥+7−7=0-7

-x=0-7

-x=-7-x/-1=-7/-1

x=7