First you would move the Xs and constants to opposite sides, so that would mean your equasion would be 21=2x. Then you would divide 20 by 2, to get the X variable by itself. This would give you an answer of 10.5=X.
First you would move the Xs and constants to opposite sides, so that would mean your equasion would be 21=2x. Then you would divide 20 by 2, to get the X variable by itself. This would give you an answer of 10.5=X.
