7+3n-4=8n+15-3n

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Solution for 7+3n-4=8n+15-3n equation:


Simplifying
7 + 3n + -4 = 8n + 15 + -3n

Reorder the terms:
7 + -4 + 3n = 8n + 15 + -3n

Combine like terms: 7 + -4 = 3
3 + 3n = 8n + 15 + -3n

Reorder the terms:
3 + 3n = 15 + 8n + -3n

Combine like terms: 8n + -3n = 5n
3 + 3n = 15 + 5n

Solving
3 + 3n = 15 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
3 + 3n + -5n = 15 + 5n + -5n

Combine like terms: 3n + -5n = -2n
3 + -2n = 15 + 5n + -5n

Combine like terms: 5n + -5n = 0
3 + -2n = 15 + 0
3 + -2n = 15

Add '-3' to each side of the equation.
3 + -3 + -2n = 15 + -3

Combine like terms: 3 + -3 = 0
0 + -2n = 15 + -3
-2n = 15 + -3

Combine like terms: 15 + -3 = 12
-2n = 12

Divide each side by '-2'.
n = -6

Simplifying
n = -6

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