5(n-10)+12(n+7)=8n+7n

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Solution for 5(n-10)+12(n+7)=8n+7n equation:


Simplifying
5(n + -10) + 12(n + 7) = 8n + 7n

Reorder the terms:
5(-10 + n) + 12(n + 7) = 8n + 7n
(-10 * 5 + n * 5) + 12(n + 7) = 8n + 7n
(-50 + 5n) + 12(n + 7) = 8n + 7n

Reorder the terms:
-50 + 5n + 12(7 + n) = 8n + 7n
-50 + 5n + (7 * 12 + n * 12) = 8n + 7n
-50 + 5n + (84 + 12n) = 8n + 7n

Reorder the terms:
-50 + 84 + 5n + 12n = 8n + 7n

Combine like terms: -50 + 84 = 34
34 + 5n + 12n = 8n + 7n

Combine like terms: 5n + 12n = 17n
34 + 17n = 8n + 7n

Combine like terms: 8n + 7n = 15n
34 + 17n = 15n

Solving
34 + 17n = 15n

Solving for variable 'n'.

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

Add '-15n' to each side of the equation.
34 + 17n + -15n = 15n + -15n

Combine like terms: 17n + -15n = 2n
34 + 2n = 15n + -15n

Combine like terms: 15n + -15n = 0
34 + 2n = 0

Add '-34' to each side of the equation.
34 + -34 + 2n = 0 + -34

Combine like terms: 34 + -34 = 0
0 + 2n = 0 + -34
2n = 0 + -34

Combine like terms: 0 + -34 = -34
2n = -34

Divide each side by '2'.
n = -17

Simplifying
n = -17

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