7n^2+5=12

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Solution for 7n^2+5=12 equation: 


Simplifying
7n2 + 5 = 12

Reorder the terms:
5 + 7n2 = 12

Solving
5 + 7n2 = 12

Solving for variable 'n'.

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

Add '-5' to each side of the equation.
5 + -5 + 7n2 = 12 + -5

Combine like terms: 5 + -5 = 0
0 + 7n2 = 12 + -5
7n2 = 12 + -5

Combine like terms: 12 + -5 = 7
7n2 = 7

Divide each side by '7'.
n2 = 1

Simplifying
n2 = 1

Take the square root of each side:
n = {-1, 1}

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