-120=7(-3n-6)+8n

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Solution for -120=7(-3n-6)+8n equation:


Simplifying
-120 = 7(-3n + -6) + 8n

Reorder the terms:
-120 = 7(-6 + -3n) + 8n
-120 = (-6 * 7 + -3n * 7) + 8n
-120 = (-42 + -21n) + 8n

Combine like terms: -21n + 8n = -13n
-120 = -42 + -13n

Solving
-120 = -42 + -13n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '13n' to each side of the equation.
-120 + 13n = -42 + -13n + 13n

Combine like terms: -13n + 13n = 0
-120 + 13n = -42 + 0
-120 + 13n = -42

Add '120' to each side of the equation.
-120 + 120 + 13n = -42 + 120

Combine like terms: -120 + 120 = 0
0 + 13n = -42 + 120
13n = -42 + 120

Combine like terms: -42 + 120 = 78
13n = 78

Divide each side by '13'.
n = 6

Simplifying
n = 6

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