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7\times 2\left(x-3\right)-63x=6+7\times 3\left(x+2\right)
Multiply both sides of the equation by 21, the least common multiple of 3,7.
14\left(x-3\right)-63x=6+7\times 3\left(x+2\right)
Multiply 7 and 2 to get 14.
14x-42-63x=6+7\times 3\left(x+2\right)
Use the distributive property to multiply 14 by x-3.
-49x-42=6+7\times 3\left(x+2\right)
Combine 14x and -63x to get -49x.
-49x-42=6+21\left(x+2\right)
Multiply 7 and 3 to get 21.
-49x-42=6+21x+42
Use the distributive property to multiply 21 by x+2.
-49x-42=48+21x
Add 6 and 42 to get 48.
-49x-42-21x=48
Subtract 21x from both sides.
-70x-42=48
Combine -49x and -21x to get -70x.
-70x=48+42
Add 42 to both sides.
-70x=90
Add 48 and 42 to get 90.
x=\frac{90}{-70}
Divide both sides by -70.
x=-\frac{9}{7}
Reduce the fraction \frac{90}{-70} to lowest terms by extracting and canceling out 10.