Question

tìm x :

-4(2x + 9) - ( -8x + 3) = x - 13

Answer 1

\(-4\left(2x+9\right)-\left(-8x+3\right)=x-13\)

\(\Rightarrow-8x-36+8x-3-x+13=0\)

\(\Rightarrow-x-26=0\)

\(\Rightarrow-x=26\)

\(\Rightarrow x=-26\)

Vậy x = -26