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Simplifying
5x2 + 30 = 275
Reorder the terms:
30 + 5x2 = 275
Solving
30 + 5x2 = 275
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 + 5x2 = 275 + -30
Combine like terms: 30 + -30 = 0
0 + 5x2 = 275 + -30
5x2 = 275 + -30
Combine like terms: 275 + -30 = 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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