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Simplifying
5x2 + 7 = 137
Reorder the terms:
7 + 5x2 = 137
Solving
7 + 5x2 = 137
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-7' to each side of the equation.
7 + -7 + 5x2 = 137 + -7
Combine like terms: 7 + -7 = 0
0 + 5x2 = 137 + -7
5x2 = 137 + -7
Combine like terms: 137 + -7 = 130
5x2 = 130
Divide each side by '5'.
x2 = 26
Simplifying
x2 = 26
Take the square root of each side:
x = {-5.099019514, 5.099019514}
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