7n^2+7=70

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Solution for 7n^2+7=70 equation: 


Simplifying
7n2 + 7 = 70

Reorder the terms:
7 + 7n2 = 70

Solving
7 + 7n2 = 70

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 + 7n2 = 70 + -7

Combine like terms: 7 + -7 = 0
0 + 7n2 = 70 + -7
7n2 = 70 + -7

Combine like terms: 70 + -7 = 63
7n2 = 63

Divide each side by '7'.
n2 = 9

Simplifying
n2 = 9

Take the square root of each side:
n = {-3, 3}

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