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3\left(2x+3x-9\right)=2\left(-2x+20\right)+24x-36
Multiply both sides of the equation by 12, the least common multiple of 4,6.
3\left(5x-9\right)=2\left(-2x+20\right)+24x-36
Combine 2x and 3x to get 5x.
15x-27=2\left(-2x+20\right)+24x-36
Use the distributive property to multiply 3 by 5x-9.
15x-27=-4x+40+24x-36
Use the distributive property to multiply 2 by -2x+20.
15x-27=20x+40-36
Combine -4x and 24x to get 20x.
15x-27=20x+4
Subtract 36 from 40 to get 4.
15x-27-20x=4
Subtract 20x from both sides.
-5x-27=4
Combine 15x and -20x to get -5x.
-5x=4+27
Add 27 to both sides.
-5x=31
Add 4 and 27 to get 31.
x=\frac{31}{-5}
Divide both sides by -5.
x=-\frac{31}{5}
Fraction \frac{31}{-5} can be rewritten as -\frac{31}{5} by extracting the negative sign.