5x+4x+2=21

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Solution for 5x+4x+2=21 equation: 



5x+4x+2=21

We move all terms to the left:

5x+4x+2-(21)=0

We add all the numbers together, and all the variables

9x-19=0

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

9x=19

x=19/9

x=2+1/9

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