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Simplifying
0.8x2 = 9x2 + -1.7
Reorder the terms:
0.8x2 = -1.7 + 9x2
Solving
0.8x2 = -1.7 + 9x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-9x2' to each side of the equation.
0.8x2 + -9x2 = -1.7 + 9x2 + -9x2
Combine like terms: 0.8x2 + -9x2 = -8.2x2
-8.2x2 = -1.7 + 9x2 + -9x2
Combine like terms: 9x2 + -9x2 = 0
-8.2x2 = -1.7 + 0
-8.2x2 = -1.7
Divide each side by '-8.2'.
x2 = 0.2073170732
Simplifying
x2 = 0.2073170732
Take the square root of each side:
x = {-0.455320846, 0.455320846}
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