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-2x-15=-(6x+7)
We simplify the equation to the form, which is simple to understand
-2x-15=-(6x+7)
Remove unnecessary parentheses
-2x-15=-6x-7
We move all terms containing x to the left and all other terms to the right.
-2x+6x=-7+15
We simplify left and right side of the equation.
+4x=+8
We divide both sides of the equation by 4 to get x.
x=2
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