Solve for x
x=4
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2x+28=40-x
Combine 5x and -6x to get -x.
2x+28+x=40
Add x to both sides.
3x+28=40
Combine 2x and x to get 3x.
3x=40-28
Subtract 28 from both sides.
3x=12
Subtract 28 from 40 to get 12.
x=\frac{12}{3}
Divide both sides by 3.
x=4
Divide 12 by 3 to get 4.
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