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2xx=2x\left(x-2\right)\times 2-\left(x-2\right)m
Multiply both sides of the equation by 2x\left(x-2\right), the least common multiple of x-2,2x.
2x^{2}=2x\left(x-2\right)\times 2-\left(x-2\right)m
Multiply x and x to get x^{2}.
2x^{2}=4x\left(x-2\right)-\left(x-2\right)m
Multiply 2 and 2 to get 4.
2x^{2}=4x^{2}-8x-\left(x-2\right)m
Use the distributive property to multiply 4x by x-2.
2x^{2}=4x^{2}-8x-\left(xm-2m\right)
Use the distributive property to multiply x-2 by m.
2x^{2}=4x^{2}-8x-xm+2m
To find the opposite of xm-2m, find the opposite of each term.
4x^{2}-8x-xm+2m=2x^{2}
Swap sides so that all variable terms are on the left hand side.
-8x-xm+2m=2x^{2}-4x^{2}
Subtract 4x^{2} from both sides.
-8x-xm+2m=-2x^{2}
Combine 2x^{2} and -4x^{2} to get -2x^{2}.
-xm+2m=-2x^{2}+8x
Add 8x to both sides.
\left(-x+2\right)m=-2x^{2}+8x
Combine all terms containing m.
\left(2-x\right)m=8x-2x^{2}
The equation is in standard form.
\frac{\left(2-x\right)m}{2-x}=\frac{2x\left(4-x\right)}{2-x}
Divide both sides by -x+2.
m=\frac{2x\left(4-x\right)}{2-x}
Dividing by -x+2 undoes the multiplication by -x+2.