7x+3+115=90

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Solution for 7x+3+115=90 equation: 



7x+3+115=90

We move all terms to the left:

7x+3+115-(90)=0

We add all the numbers together, and all the variables

7x+28=0

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

7x=-28

x=-28/7

x=-4

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