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(-3)+2n=(-15)
We simplify the equation to the form, which is simple to understand
(-3)+2n=(-15)
Remove unnecessary parentheses
-3+2n=(-15)
Remove unnecessary parentheses
-3+2n=-15
We move all terms containing n to the left and all other terms to the right.
+2n=-15+3
We simplify left and right side of the equation.
+2n=-12
We divide both sides of the equation by 2 to get n.
n=-6
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