40-x=7+7x+9

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Solution for 40-x=7+7x+9 equation: 



40-x=7+7x+9

We move all terms to the left:

40-x-(7+7x+9)=0

We add all the numbers together, and all the variables

-x-(7x+16)+40=0

We add all the numbers together, and all the variables

-1x-(7x+16)+40=0

We get rid of parentheses

-1x-7x-16+40=0

We add all the numbers together, and all the variables

-8x+24=0

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

-8x=-24

x=-24/-8

x=+3

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