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-1=-4/7t
We move all terms to the left:
-1-(-4/7t)=0
Domain of the equation: 7t)!=0We get rid of parentheses
t!=0/1
t!=0
t∈R
4/7t-1=0
We multiply all the terms by the denominator
-1*7t+4=0
Wy multiply elements
-7t+4=0
We move all terms containing t to the left, all other terms to the right
-7t=-4
t=-4/-7
t=4/7
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