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Simplifying
9x2 + 8 = 19
Reorder the terms:
8 + 9x2 = 19
Solving
8 + 9x2 = 19
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-8' to each side of the equation.
8 + -8 + 9x2 = 19 + -8
Combine like terms: 8 + -8 = 0
0 + 9x2 = 19 + -8
9x2 = 19 + -8
Combine like terms: 19 + -8 = 11
9x2 = 11
Divide each side by '9'.
x2 = 1.222222222
Simplifying
x2 = 1.222222222
Take the square root of each side:
x = {-1.105541597, 1.105541597}
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