#### Answer

$x=-6$

#### Work Step by Step

Expand the terms in the parenthesis.
$2x+6-1=-7$
Move all unknowns to one side of the equation and all constants to the other.
$2x+5=-7$
$2x=-7-5$
$2x=-12$
Solve for $x$ by dividing all terms by $2$.
$2x\div2=-12\div2$
$x=-6$