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Simplifying
5x2 + -18 = 227
Reorder the terms:
-18 + 5x2 = 227
Solving
-18 + 5x2 = 227
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '18' to each side of the equation.
-18 + 18 + 5x2 = 227 + 18
Combine like terms: -18 + 18 = 0
0 + 5x2 = 227 + 18
5x2 = 227 + 18
Combine like terms: 227 + 18 = 245
5x2 = 245
Divide each side by '5'.
x2 = 49
Simplifying
x2 = 49
Take the square root of each side:
x = {-7, 7}
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