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Simplifying
7x2 + 5 = 523
Reorder the terms:
5 + 7x2 = 523
Solving
5 + 7x2 = 523
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-5' to each side of the equation.
5 + -5 + 7x2 = 523 + -5
Combine like terms: 5 + -5 = 0
0 + 7x2 = 523 + -5
7x2 = 523 + -5
Combine like terms: 523 + -5 = 518
7x2 = 518
Divide each side by '7'.
x2 = 74
Simplifying
x2 = 74
Take the square root of each side:
x = {-8.602325267, 8.602325267}
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