7x+3+8x+1=90

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Solution for 7x+3+8x+1=90 equation: 



7x+3+8x+1=90

We move all terms to the left:

7x+3+8x+1-(90)=0

We add all the numbers together, and all the variables

15x-86=0

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

15x=86

x=86/15

x=5+11/15

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