-135=7n-6(7n+5)

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Solution for -135=7n-6(7n+5) equation:


Simplifying
-135 = 7n + -6(7n + 5)

Reorder the terms:
-135 = 7n + -6(5 + 7n)
-135 = 7n + (5 * -6 + 7n * -6)
-135 = 7n + (-30 + -42n)

Reorder the terms:
-135 = -30 + 7n + -42n

Combine like terms: 7n + -42n = -35n
-135 = -30 + -35n

Solving
-135 = -30 + -35n

Solving for variable 'n'.

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

Add '35n' to each side of the equation.
-135 + 35n = -30 + -35n + 35n

Combine like terms: -35n + 35n = 0
-135 + 35n = -30 + 0
-135 + 35n = -30

Add '135' to each side of the equation.
-135 + 135 + 35n = -30 + 135

Combine like terms: -135 + 135 = 0
0 + 35n = -30 + 135
35n = -30 + 135

Combine like terms: -30 + 135 = 105
35n = 105

Divide each side by '35'.
n = 3

Simplifying
n = 3

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