Solve for x
x=-21
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6x+9-3x=-54
Subtract 3x from both sides.
3x+9=-54
Combine 6x and -3x to get 3x.
3x=-54-9
Subtract 9 from both sides.
3x=-63
Subtract 9 from -54 to get -63.
x=\frac{-63}{3}
Divide both sides by 3.
x=-21
Divide -63 by 3 to get -21.
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