Solve for x
x=-15
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2x=3x+21-6
Use the distributive property to multiply 3 by x+7.
2x=3x+15
Subtract 6 from 21 to get 15.
2x-3x=15
Subtract 3x from both sides.
-x=15
Combine 2x and -3x to get -x.
x=-15
Multiply both sides by -1.
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