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Simplifying
7x2 + 23 = 100
Reorder the terms:
23 + 7x2 = 100
Solving
23 + 7x2 = 100
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-23' to each side of the equation.
23 + -23 + 7x2 = 100 + -23
Combine like terms: 23 + -23 = 0
0 + 7x2 = 100 + -23
7x2 = 100 + -23
Combine like terms: 100 + -23 = 77
7x2 = 77
Divide each side by '7'.
x2 = 11
Simplifying
x2 = 11
Take the square root of each side:
x = {-3.31662479, 3.31662479}
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