9+3x+4x-7=90

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Solution for 9+3x+4x-7=90 equation: 



9+3x+4x-7=90

We move all terms to the left:

9+3x+4x-7-(90)=0

We add all the numbers together, and all the variables

7x-88=0

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

7x=88

x=88/7

x=12+4/7

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