Solve for x
x=-36
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2\times 2x-9x=180
Multiply both sides of the equation by 18, the least common multiple of 9,2.
4x-9x=180
Multiply 2 and 2 to get 4.
-5x=180
Combine 4x and -9x to get -5x.
x=\frac{180}{-5}
Divide both sides by -5.
x=-36
Divide 180 by -5 to get -36.
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