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Simplifying
-5x2 + 79.99 = 0
Reorder the terms:
79.99 + -5x2 = 0
Solving
79.99 + -5x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-79.99' to each side of the equation.
79.99 + -79.99 + -5x2 = 0 + -79.99
Combine like terms: 79.99 + -79.99 = 0.00
0.00 + -5x2 = 0 + -79.99
-5x2 = 0 + -79.99
Combine like terms: 0 + -79.99 = -79.99
-5x2 = -79.99
Divide each side by '-5'.
x2 = 15.998
Simplifying
x2 = 15.998
Take the square root of each side:
x = {-3.999749992, 3.999749992}
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