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Simplifying
7x2 + 5 = 54
Reorder the terms:
5 + 7x2 = 54
Solving
5 + 7x2 = 54
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 = 54 + -5
Combine like terms: 5 + -5 = 0
0 + 7x2 = 54 + -5
7x2 = 54 + -5
Combine like terms: 54 + -5 = 49
7x2 = 49
Divide each side by '7'.
x2 = 7
Simplifying
x2 = 7
Take the square root of each side:
x = {-2.645751311, 2.645751311}
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