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Simplifying
30 + 2x2 = 230
Solving
30 + 2x2 = 230
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-30' to each side of the equation.
30 + -30 + 2x2 = 230 + -30
Combine like terms: 30 + -30 = 0
0 + 2x2 = 230 + -30
2x2 = 230 + -30
Combine like terms: 230 + -30 = 200
2x2 = 200
Divide each side by '2'.
x2 = 100
Simplifying
x2 = 100
Take the square root of each side:
x = {-10, 10}
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