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y=-15-2(-7)
We simplify the equation to the form, which is simple to understand
y=-15-2(-7)
Reorder the terms in parentheses
y=-15+(+14)
Remove unnecessary parentheses
+y=-15+14
We move all terms containing y to the left and all other terms to the right.
+1y=-15+14
We simplify left and right side of the equation.
+1y=-1
We divide both sides of the equation by 1 to get y.
y=-1
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