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Simplifying
500 = -15 + 5x2
Solving
500 = -15 + 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.
500 + -5x2 = -15 + 5x2 + -5x2
Combine like terms: 5x2 + -5x2 = 0
500 + -5x2 = -15 + 0
500 + -5x2 = -15
Add '-500' to each side of the equation.
500 + -500 + -5x2 = -15 + -500
Combine like terms: 500 + -500 = 0
0 + -5x2 = -15 + -500
-5x2 = -15 + -500
Combine like terms: -15 + -500 = -515
-5x2 = -515
Divide each side by '-5'.
x2 = 103
Simplifying
x2 = 103
Take the square root of each side:
x = {-10.148891565, 10.148891565}
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