-6n+7(n+5)=21

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Solution for -6n+7(n+5)=21 equation:


Simplifying
-6n + 7(n + 5) = 21

Reorder the terms:
-6n + 7(5 + n) = 21
-6n + (5 * 7 + n * 7) = 21
-6n + (35 + 7n) = 21

Reorder the terms:
35 + -6n + 7n = 21

Combine like terms: -6n + 7n = 1n
35 + 1n = 21

Solving
35 + 1n = 21

Solving for variable 'n'.

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

Add '-35' to each side of the equation.
35 + -35 + 1n = 21 + -35

Combine like terms: 35 + -35 = 0
0 + 1n = 21 + -35
1n = 21 + -35

Combine like terms: 21 + -35 = -14
1n = -14

Divide each side by '1'.
n = -14

Simplifying
n = -14

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