Question

calcule 4. (2× - 6) = -40. Me ajudem! ​

Answer 1

$4\left(2x-6\right)=-40$

$\frac{4\left(2x-6\right)}{4}=\frac{-40}{4}$

$2x-6=-10\\\\2x-6+6=-10+6\\\\2x=-4\\\\\frac{2x}{2}=\frac{-4}{2}\\\\x=-2$