12x=-21+45

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Solution for 12x=-21+45 equation: 



12x=-21+45

We move all terms to the left:

12x-(-21+45)=0

We add all the numbers together, and all the variables

12x-24=0

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

12x=24

x=24/12

x=2

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