Solve for t
t=\frac{9}{10}=0.9
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8t-5+2t=4
Add 2t to both sides.
10t-5=4
Combine 8t and 2t to get 10t.
10t=4+5
Add 5 to both sides.
10t=9
Add 4 and 5 to get 9.
t=\frac{9}{10}
Divide both sides by 10.
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