Solve for x
x=-4
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40+x=52+4x
Use the distributive property to multiply 4 by 13+x.
40+x-4x=52
Subtract 4x from both sides.
40-3x=52
Combine x and -4x to get -3x.
-3x=52-40
Subtract 40 from both sides.
-3x=12
Subtract 40 from 52 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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