7x+40-40=124-20

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Solution for 7x+40-40=124-20 equation: 



7x+40-40=124-20

We move all terms to the left:

7x+40-40-(124-20)=0

We add all the numbers together, and all the variables

7x+40-40-104=0

We add all the numbers together, and all the variables

7x-104=0

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

7x=104

x=104/7

x=14+6/7

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