The question is somewhat ambiguous: the answers are
LCM[3T2, 5T] =15T2
or
LCM[(3T)2, 5T] =45T2
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-5t + 9 + 2t = 30Combine like terms on the left side:-3t + 9 = 30Multiply both sides by -1"3t - 9 = -30Add 9 to both sides:3t = -21Divide both sides by 3:t = -7
7s + 4t
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t - 2t - 3t = 32t - 5t = 32-4t = 32t = -8According to the information given in the question, t can't equal 8.
5t - 7 = 11 5t - 7 + 7 = 11 + 7 5t = 18 5t/5 = 18/5 t = 18/5 t = 3 3/5