Solve for x
x=21
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-3x=-\left(15\times 4+3\right)
Multiply both sides of the equation by 4.
-3x=-\left(60+3\right)
Multiply 15 and 4 to get 60.
-3x=-63
Add 60 and 3 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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