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Simplifying
9x2 + -29 = 7
Reorder the terms:
-29 + 9x2 = 7
Solving
-29 + 9x2 = 7
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '29' to each side of the equation.
-29 + 29 + 9x2 = 7 + 29
Combine like terms: -29 + 29 = 0
0 + 9x2 = 7 + 29
9x2 = 7 + 29
Combine like terms: 7 + 29 = 36
9x2 = 36
Divide each side by '9'.
x2 = 4
Simplifying
x2 = 4
Take the square root of each side:
x = {-2, 2}
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