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Simplifying
5x2 + -10 = 10
Reorder the terms:
-10 + 5x2 = 10
Solving
-10 + 5x2 = 10
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '10' to each side of the equation.
-10 + 10 + 5x2 = 10 + 10
Combine like terms: -10 + 10 = 0
0 + 5x2 = 10 + 10
5x2 = 10 + 10
Combine like terms: 10 + 10 = 20
5x2 = 20
Divide each side by '5'.
x2 = 4
Simplifying
x2 = 4
Take the square root of each side:
x = {-2, 2}
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