7x+6x-5=21

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



7x+6x-5=21

We move all terms to the left:

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

We add all the numbers together, and all the variables

13x-26=0

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

13x=26

x=26/13

x=2

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