12x+(-21)=51

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Solution for 12x+(-21)=51 equation: 



12x+(-21)=51

We move all terms to the left:

12x+(-21)-(51)=0

determiningTheFunctionDomain
12x-51+(-21)=0

We add all the numbers together, and all the variables

12x-72=0

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

12x=72

x=72/12

x=6

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