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\begin{array}{l}{10+y=11} \\ {\frac{d}{7}=11} \\ {12-9 t=3}\end{array} |
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Answer» 2. 10 + y = 11 y = 11 - 10 = 1 5. d/7 = 11 d = 77 10+y=11 y=11-10 y=1 8. 12 - 9t = 3 9t = 12 - 3 = 9 t = 1 d/7=11 d=7×11 d=77 |
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