7+2t=9-2t

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Solution for 7+2t=9-2t equation: 



7+2t=9-2t

We move all terms to the left:

7+2t-(9-2t)=0

We add all the numbers together, and all the variables

2t-(-2t+9)+7=0

We get rid of parentheses

2t+2t-9+7=0

We add all the numbers together, and all the variables

4t-2=0

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

4t=2

t=2/4

t=1/2

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