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Simplifying
-180 = -5x2
Solving
-180 = -5x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '5x2' to each side of the equation.
-180 + 5x2 = -5x2 + 5x2
Combine like terms: -5x2 + 5x2 = 0
-180 + 5x2 = 0
Add '180' to each side of the equation.
-180 + 180 + 5x2 = 0 + 180
Combine like terms: -180 + 180 = 0
0 + 5x2 = 0 + 180
5x2 = 0 + 180
Combine like terms: 0 + 180 = 180
5x2 = 180
Divide each side by '5'.
x2 = 36
Simplifying
x2 = 36
Take the square root of each side:
x = {-6, 6}
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