Answer:
uhiufhirhfiujidfieufru984397837473yr7
Explanation:
idk man
-21 = 6t
3t - 7 = 5t
Subtract 3t from each side
3t-7-3t = 5t-3t
-7 = 2t
Multiply each side by 3 to get 6t
-7*3 = 2t*3
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