Solve for x
x=45
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100-4x+3x=55
Use the distributive property to multiply 4 by 25-x.
100-x=55
Combine -4x and 3x to get -x.
-x=55-100
Subtract 100 from both sides.
-x=-45
Subtract 100 from 55 to get -45.
x=45
Multiply both sides by -1.
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