7+-3n=10

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Solution for 7+-3n=10 equation: 


Simplifying
7 + -3n = 10

Solving
7 + -3n = 10

Solving for variable 'n'.

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

Add '-7' to each side of the equation.
7 + -7 + -3n = 10 + -7

Combine like terms: 7 + -7 = 0
0 + -3n = 10 + -7
-3n = 10 + -7

Combine like terms: 10 + -7 = 3
-3n = 3

Divide each side by '-3'.
n = -1

Simplifying
n = -1

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