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Simplifying
9x2 + 5 = 45
Reorder the terms:
5 + 9x2 = 45
Solving
5 + 9x2 = 45
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 + 9x2 = 45 + -5
Combine like terms: 5 + -5 = 0
0 + 9x2 = 45 + -5
9x2 = 45 + -5
Combine like terms: 45 + -5 = 40
9x2 = 40
Divide each side by '9'.
x2 = 4.444444444
Simplifying
x2 = 4.444444444
Take the square root of each side:
x = {-2.108185107, 2.108185107}
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