0.75x+12=21

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Solution for 0.75x+12=21 equation: 



0.75x+12=21

We move all terms to the left:

0.75x+12-(21)=0

We add all the numbers together, and all the variables

0.75x-9=0

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

0.75x=9

x=9/0.75

x=12

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