(ii) -3(t + r) + 4 (2t - 3r) - (2t - r)
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the answer is equal to +3t -10r
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Answer:
step by step process :
= - 3t - 3r + 8t - 3r - 2t + r
= - 5t + 8t - 3r - 3r + r
= 3t - 5r ANSWER
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