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7x-6-3\left(x+2\right)=12x+6
Multiply both sides of the equation by 3.
7x-6-3x-6=12x+6
Use the distributive property to multiply -3 by x+2.
4x-6-6=12x+6
Combine 7x and -3x to get 4x.
4x-12=12x+6
Subtract 6 from -6 to get -12.
4x-12-12x=6
Subtract 12x from both sides.
-8x-12=6
Combine 4x and -12x to get -8x.
-8x=6+12
Add 12 to both sides.
-8x=18
Add 6 and 12 to get 18.
x=\frac{18}{-8}
Divide both sides by -8.
x=-\frac{9}{4}
Reduce the fraction \frac{18}{-8} to lowest terms by extracting and canceling out 2.