7x^2-13=50

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Solution for 7x^2-13=50 equation: 


Simplifying
7x2 + -13 = 50

Reorder the terms:
-13 + 7x2 = 50

Solving
-13 + 7x2 = 50

Solving for variable 'x'.

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

Add '13' to each side of the equation.
-13 + 13 + 7x2 = 50 + 13

Combine like terms: -13 + 13 = 0
0 + 7x2 = 50 + 13
7x2 = 50 + 13

Combine like terms: 50 + 13 = 63
7x2 = 63

Divide each side by '7'.
x2 = 9

Simplifying
x2 = 9

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

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