7t-21=2t-18+2

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Solution for 7t-21=2t-18+2 equation: 



7t-21=2t-18+2

We move all terms to the left:

7t-21-(2t-18+2)=0

We add all the numbers together, and all the variables

7t-(2t-16)-21=0

We get rid of parentheses

7t-2t+16-21=0

We add all the numbers together, and all the variables

5t-5=0

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

5t=5

t=5/5

t=1

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