2g^2+5=13

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Solution for 2g^2+5=13 equation: 


Simplifying
2g2 + 5 = 13

Reorder the terms:
5 + 2g2 = 13

Solving
5 + 2g2 = 13

Solving for variable 'g'.

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

Add '-5' to each side of the equation.
5 + -5 + 2g2 = 13 + -5

Combine like terms: 5 + -5 = 0
0 + 2g2 = 13 + -5
2g2 = 13 + -5

Combine like terms: 13 + -5 = 8
2g2 = 8

Divide each side by '2'.
g2 = 4

Simplifying
g2 = 4

Take the square root of each side:
g = {-2, 2}

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