8n-3=7n+9

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Solution for 8n-3=7n+9 equation:


Simplifying
8n + -3 = 7n + 9

Reorder the terms:
-3 + 8n = 7n + 9

Reorder the terms:
-3 + 8n = 9 + 7n

Solving
-3 + 8n = 9 + 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
-3 + 8n + -7n = 9 + 7n + -7n

Combine like terms: 8n + -7n = 1n
-3 + 1n = 9 + 7n + -7n

Combine like terms: 7n + -7n = 0
-3 + 1n = 9 + 0
-3 + 1n = 9

Add '3' to each side of the equation.
-3 + 3 + 1n = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 1n = 9 + 3
1n = 9 + 3

Combine like terms: 9 + 3 = 12
1n = 12

Divide each side by '1'.
n = 12

Simplifying
n = 12

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