2n-(-7)=12

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Solution for 2n-(-7)=12 equation: 


Simplifying
2n + -1(-7) = 12

Multiply -1 * -7
2n + 7 = 12

Reorder the terms:
7 + 2n = 12

Solving
7 + 2n = 12

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 + 2n = 12 + -7

Combine like terms: 7 + -7 = 0
0 + 2n = 12 + -7
2n = 12 + -7

Combine like terms: 12 + -7 = 5
2n = 5

Divide each side by '2'.
n = 2.5

Simplifying
n = 2.5

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