3n+8=2n-7

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


Simplifying
3n + 8 = 2n + -7

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

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

Solving
8 + 3n = -7 + 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.
8 + 3n + -2n = -7 + 2n + -2n

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

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

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

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

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

Divide each side by '1'.
n = -15

Simplifying
n = -15

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