2n+8=7

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Solution for 2n+8=7 equation: 


Simplifying
2n + 8 = 7

Reorder the terms:
8 + 2n = 7

Solving
8 + 2n = 7

Solving for variable 'n'.

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

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

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

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

Divide each side by '2'.
n = -0.5

Simplifying
n = -0.5

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