14. t-(2t +5)-5(1-2t) = 2 (3 + 4t)-3(t – 4)
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t-(2t+5)-5(1-2t)=2(3+4t)-3(t-4)
t-2t-5-5+10t=6+8t-3t+12
9t-10=18+5t
9t-5t=18+10
4t=28
t=7
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