120=-7(5n+5)+4n

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Solution for 120=-7(5n+5)+4n equation:


Simplifying
120 = -7(5n + 5) + 4n

Reorder the terms:
120 = -7(5 + 5n) + 4n
120 = (5 * -7 + 5n * -7) + 4n
120 = (-35 + -35n) + 4n

Combine like terms: -35n + 4n = -31n
120 = -35 + -31n

Solving
120 = -35 + -31n

Solving for variable 'n'.

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

Add '31n' to each side of the equation.
120 + 31n = -35 + -31n + 31n

Combine like terms: -31n + 31n = 0
120 + 31n = -35 + 0
120 + 31n = -35

Add '-120' to each side of the equation.
120 + -120 + 31n = -35 + -120

Combine like terms: 120 + -120 = 0
0 + 31n = -35 + -120
31n = -35 + -120

Combine like terms: -35 + -120 = -155
31n = -155

Divide each side by '31'.
n = -5

Simplifying
n = -5

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