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51=t+21/3
We move all terms to the left:
51-(t+21/3)=0
We add all the numbers together, and all the variables
-(t+7)+51=0
We get rid of parentheses
-t-7+51=0
We add all the numbers together, and all the variables
-1t+44=0
We move all terms containing t to the left, all other terms to the right
-t=-44
t=-44/-1
t=+44
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