4x+7=8x-1=90

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Solution for 4x+7=8x-1=90 equation: 



4x+7=8x-1=90

We move all terms to the left:

4x+7-(8x-1)=0

We get rid of parentheses

4x-8x+1+7=0

We add all the numbers together, and all the variables

-4x+8=0

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

-4x=-8

x=-8/-4

x=+2

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