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(t+1)*2+(t-8)*2=45
We move all terms to the left:
(t+1)*2+(t-8)*2-(45)=0
We multiply parentheses
2t+2t+2-16-45=0
We add all the numbers together, and all the variables
4t-59=0
We move all terms containing t to the left, all other terms to the right
4t=59
t=59/4
t=14+3/4
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