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225/t-4=7.4
We move all terms to the left:
225/t-4-(7.4)=0
Domain of the equation: t!=0We add all the numbers together, and all the variables
t∈R
225/t-11.4=0
We multiply all the terms by the denominator
-(11.4)*t+225=0
We multiply parentheses
-11.4t+225=0
We move all terms containing t to the left, all other terms to the right
-11.4t=-225
t=-225/-11.4
t=19+6/8.1428571428571
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