21=5t+6

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Solution for 21=5t+6 equation:



21=5t+6
We move all terms to the left:
21-(5t+6)=0
We get rid of parentheses
-5t-6+21=0
We add all the numbers together, and all the variables
-5t+15=0
We move all terms containing t to the left, all other terms to the right
-5t=-15
t=-15/-5
t=+3

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