5+t=7t+21

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Solution for 5+t=7t+21 equation: 



5+t=7t+21

We move all terms to the left:

5+t-(7t+21)=0

We get rid of parentheses

t-7t-21+5=0

We add all the numbers together, and all the variables

-6t-16=0

We move all terms containing t to the left, all other terms to the right

-6t=16

t=16/-6

t=-2+2/3

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