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Simplifying
5x2 + -23 = -18
Reorder the terms:
-23 + 5x2 = -18
Solving
-23 + 5x2 = -18
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '23' to each side of the equation.
-23 + 23 + 5x2 = -18 + 23
Combine like terms: -23 + 23 = 0
0 + 5x2 = -18 + 23
5x2 = -18 + 23
Combine like terms: -18 + 23 = 5
5x2 = 5
Divide each side by '5'.
x2 = 1
Simplifying
x2 = 1
Take the square root of each side:
x = {-1, 1}
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