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3x/4+5=12
We move all terms to the left:
3x/4+5-(12)=0
We add all the numbers together, and all the variables
3x/4-7=0
We multiply all the terms by the denominator
3x-7*4=0
We add all the numbers together, and all the variables
3x-28=0
We move all terms containing x to the left, all other terms to the right
3x=28
x=28/3
x=9+1/3
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