140=-7(1+3n)

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Solution for 140=-7(1+3n) equation:


140=-7(1+3n)

We simplify the equation to the form, which is simple to understand 
140=-7(1+3n)

Reorder the terms in parentheses
140=+(-7-21n)

Remove unnecessary parentheses
+140=-7-21n

We move all terms containing n to the left and all other terms to the right. 
+21n=-7-140

We simplify left and right side of the equation. 
+21n=-147

We divide both sides of the equation by 021 to get n. 
n=-7

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