Solve for x
x=4
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40-x=48-3x
Use the distributive property to multiply 3 by 16-x.
40-x+3x=48
Add 3x to both sides.
40+2x=48
Combine -x and 3x to get 2x.
2x=48-40
Subtract 40 from both sides.
2x=8
Subtract 40 from 48 to get 8.
x=\frac{8}{2}
Divide both sides by 2.
x=4
Divide 8 by 2 to get 4.
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