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Simplifying
9x2 + 28 = 29
Reorder the terms:
28 + 9x2 = 29
Solving
28 + 9x2 = 29
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-28' to each side of the equation.
28 + -28 + 9x2 = 29 + -28
Combine like terms: 28 + -28 = 0
0 + 9x2 = 29 + -28
9x2 = 29 + -28
Combine like terms: 29 + -28 = 1
9x2 = 1
Divide each side by '9'.
x2 = 0.1111111111
Simplifying
x2 = 0.1111111111
Take the square root of each side:
x = {-0.333333333, 0.333333333}
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