3x+21-7x+6x=9x+5

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Solution for 3x+21-7x+6x=9x+5 equation: 



3x+21-7x+6x=9x+5

We move all terms to the left:

3x+21-7x+6x-(9x+5)=0

We add all the numbers together, and all the variables

2x-(9x+5)+21=0

We get rid of parentheses

2x-9x-5+21=0

We add all the numbers together, and all the variables

-7x+16=0

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

-7x=-16

x=-16/-7

x=2+2/7

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