55x-7+2x=21

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Solution for 55x-7+2x=21 equation: 



55x-7+2x=21

We move all terms to the left:

55x-7+2x-(21)=0

We add all the numbers together, and all the variables

57x-28=0

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

57x=28

x=28/57

x=28/57

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