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-3\left(2x-4-\left(-3x\right)\right)=-\left(2-5x\right)
To find the opposite of 4-3x, find the opposite of each term.
-3\left(2x-4+3x\right)=-\left(2-5x\right)
The opposite of -3x is 3x.
-3\left(5x-4\right)=-\left(2-5x\right)
Combine 2x and 3x to get 5x.
-15x+12=-\left(2-5x\right)
Use the distributive property to multiply -3 by 5x-4.
-15x+12=-2-\left(-5x\right)
To find the opposite of 2-5x, find the opposite of each term.
-15x+12=-2+5x
The opposite of -5x is 5x.
-15x+12-5x=-2
Subtract 5x from both sides.
-20x+12=-2
Combine -15x and -5x to get -20x.
-20x=-2-12
Subtract 12 from both sides.
-20x=-14
Subtract 12 from -2 to get -14.
x=\frac{-14}{-20}
Divide both sides by -20.
x=\frac{7}{10}
Reduce the fraction \frac{-14}{-20} to lowest terms by extracting and canceling out -2.