boomerjm
20.01.2021 •
Mathematics
Evaluate -5x+7y when x=-3 y=-4
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Ответ:
17
Step-by-step explanation:
-5x + 7y
now if we plug in the numbers--
15 ✕ 3 + 7 ✕ (-4)
= 45 - 28
= 17
Ответ: