PappyChulo420 PappyChulo420

20-01-2021
Mathematics

contestada

Evaluate -5x+7y when x=-3 y=-4

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emmahu20208 emmahu20208

20-01-2021

Answer:

17

Step-by-step explanation:

-5x + 7y

now if we plug in the numbers--

15 ✕ 3 + 7 ✕ (-4)

= 45 - 28

= 17

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tammybrunger tammybrunger

20-01-2021

So u have to replace the x with 3 and the y with 4 so this is the answer -5x3+7x4=13

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