Question

4(×-2)=7²-9 con resolución si o si​

Answer 1

Respuesta:

12

Explicación paso a paso:

4(×-2)=7²-9

$4\left(x-2\right)=49-9\\\\4\left(x-2\right)=40\\\\\frac{4\left(x-2\right)}{4}=\frac{40}{4}\\\\x-2=10\\\\x-2+2=10+2\\\\x=12$