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2.10.1=t+7.2
We move all terms to the left:
2.10.1-(t+7.2)=0
We add all the numbers together, and all the variables
-(t+7.2)+0.21=0
We get rid of parentheses
-t-7.2+0.21=0
We add all the numbers together, and all the variables
-1t-6.99=0
We move all terms containing t to the left, all other terms to the right
-t=6.99
t=6.99/-1
t=-6+0.99/1
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