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Simplifying
9x2 + 13 = 17
Reorder the terms:
13 + 9x2 = 17
Solving
13 + 9x2 = 17
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-13' to each side of the equation.
13 + -13 + 9x2 = 17 + -13
Combine like terms: 13 + -13 = 0
0 + 9x2 = 17 + -13
9x2 = 17 + -13
Combine like terms: 17 + -13 = 4
9x2 = 4
Divide each side by '9'.
x2 = 0.4444444444
Simplifying
x2 = 0.4444444444
Take the square root of each side:
x = {-0.666666667, 0.666666667}
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