Solve for t
t=6
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2t-5=\frac{21}{3}
Divide both sides by 3.
2t-5=7
Divide 21 by 3 to get 7.
2t=7+5
Add 5 to both sides.
2t=12
Add 7 and 5 to get 12.
t=\frac{12}{2}
Divide both sides by 2.
t=6
Divide 12 by 2 to get 6.
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