3n-7=2n+8

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Solution for 3n-7=2n+8 equation:


Simplifying
3n + -7 = 2n + 8

Reorder the terms:
-7 + 3n = 2n + 8

Reorder the terms:
-7 + 3n = 8 + 2n

Solving
-7 + 3n = 8 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
-7 + 3n + -2n = 8 + 2n + -2n

Combine like terms: 3n + -2n = 1n
-7 + 1n = 8 + 2n + -2n

Combine like terms: 2n + -2n = 0
-7 + 1n = 8 + 0
-7 + 1n = 8

Add '7' to each side of the equation.
-7 + 7 + 1n = 8 + 7

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

Combine like terms: 8 + 7 = 15
1n = 15

Divide each side by '1'.
n = 15

Simplifying
n = 15

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