7n+3=8n-7

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Solution for 7n+3=8n-7 equation:


Simplifying
7n + 3 = 8n + -7

Reorder the terms:
3 + 7n = 8n + -7

Reorder the terms:
3 + 7n = -7 + 8n

Solving
3 + 7n = -7 + 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
3 + 7n + -8n = -7 + 8n + -8n

Combine like terms: 7n + -8n = -1n
3 + -1n = -7 + 8n + -8n

Combine like terms: 8n + -8n = 0
3 + -1n = -7 + 0
3 + -1n = -7

Add '-3' to each side of the equation.
3 + -3 + -1n = -7 + -3

Combine like terms: 3 + -3 = 0
0 + -1n = -7 + -3
-1n = -7 + -3

Combine like terms: -7 + -3 = -10
-1n = -10

Divide each side by '-1'.
n = 10

Simplifying
n = 10

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