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-2x-10x-\left(-7x\right)+4x=12x-6+3-4+7x
Combine -6x and 4x to get -2x.
-12x-\left(-7x\right)+4x=12x-6+3-4+7x
Combine -2x and -10x to get -12x.
-12x+7x+4x=12x-6+3-4+7x
The opposite of -7x is 7x.
-5x+4x=12x-6+3-4+7x
Combine -12x and 7x to get -5x.
-x=12x-6+3-4+7x
Combine -5x and 4x to get -x.
-x=12x-3-4+7x
Add -6 and 3 to get -3.
-x=12x-7+7x
Subtract 4 from -3 to get -7.
-x=19x-7
Combine 12x and 7x to get 19x.
-x-19x=-7
Subtract 19x from both sides.
-20x=-7
Combine -x and -19x to get -20x.
x=\frac{-7}{-20}
Divide both sides by -20.
x=\frac{7}{20}
Fraction \frac{-7}{-20} can be simplified to \frac{7}{20} by removing the negative sign from both the numerator and the denominator.