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140=3n+5(-6n-5)
We simplify the equation to the form, which is simple to understand
140=3n+5(-6n-5)
Reorder the terms in parentheses
140=3n+(-30n-25)
Remove unnecessary parentheses
+140=+3n-30n-25
We move all terms containing n to the left and all other terms to the right.
-3n+30n=-25-140
We simplify left and right side of the equation.
+27n=-165
We divide both sides of the equation by 27 to get n.
n=-6.1111111111111
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