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8=t+21/9
We move all terms to the left:
8-(t+21/9)=0
We add all the numbers together, and all the variables
-(+t+21/9)+8=0
We get rid of parentheses
-t+8-21/9=0
We multiply all the terms by the denominator
-t*9-21+8*9=0
We add all the numbers together, and all the variables
-t*9+51=0
Wy multiply elements
-9t+51=0
We move all terms containing t to the left, all other terms to the right
-9t=-51
t=-51/-9
t=5+2/3
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