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Simplifying
-5x2 + 14 = -31
Reorder the terms:
14 + -5x2 = -31
Solving
14 + -5x2 = -31
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-14' to each side of the equation.
14 + -14 + -5x2 = -31 + -14
Combine like terms: 14 + -14 = 0
0 + -5x2 = -31 + -14
-5x2 = -31 + -14
Combine like terms: -31 + -14 = -45
-5x2 = -45
Divide each side by '-5'.
x2 = 9
Simplifying
x2 = 9
Take the square root of each side:
x = {-3, 3}
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