9x=50+2x+71=90

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Solution for 9x=50+2x+71=90 equation: 



9x=50+2x+71=90

We move all terms to the left:

9x-(50+2x+71)=0

We add all the numbers together, and all the variables

9x-(2x+121)=0

We get rid of parentheses

9x-2x-121=0

We add all the numbers together, and all the variables

7x-121=0

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

7x=121

x=121/7

x=17+2/7

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