8n-10+7n=20

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Solution for 8n-10+7n=20 equation:


Simplifying
8n + -10 + 7n = 20

Reorder the terms:
-10 + 8n + 7n = 20

Combine like terms: 8n + 7n = 15n
-10 + 15n = 20

Solving
-10 + 15n = 20

Solving for variable 'n'.

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

Add '10' to each side of the equation.
-10 + 10 + 15n = 20 + 10

Combine like terms: -10 + 10 = 0
0 + 15n = 20 + 10
15n = 20 + 10

Combine like terms: 20 + 10 = 30
15n = 30

Divide each side by '15'.
n = 2

Simplifying
n = 2

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