Solve for x
x=7
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3-x=\frac{-28}{7}
Divide both sides by 7.
3-x=-4
Divide -28 by 7 to get -4.
-x=-4-3
Subtract 3 from both sides.
-x=-7
Subtract 3 from -4 to get -7.
x=7
Multiply both sides by -1.
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