40-x=7x-55

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Solution for 40-x=7x-55 equation: 



40-x=7x-55

We move all terms to the left:

40-x-(7x-55)=0

We add all the numbers together, and all the variables

-1x-(7x-55)+40=0

We get rid of parentheses

-1x-7x+55+40=0

We add all the numbers together, and all the variables

-8x+95=0

We move all terms containing x to the left, all other terms to the right

-8x=-95

x=-95/-8

x=11+7/8

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