7x+4=87

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Solution for 7x+4=87 equation: 



7x+4=87

We move all terms to the left:

7x+4-(87)=0

We add all the numbers together, and all the variables

7x-83=0

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

7x=83

x=83/7

x=11+6/7

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