Question

Find $x$

$-1=\frac{2\left(6\right)+7\left(x\right)}{2+7}$

Answer 1

We have,

$-1=\frac{2\left(6\right)+7x}{2+7}$

$-1=\frac{12+7x}{9}$

$12+7x=-9$

$7x=-9-12$

$7x=-21$

$x=-3$

Hence, the value of $x$ is $-3$.