apgg303
22.04.2021 •
Mathematics
A variable needs to be eliminated to solve the system of equations below. Choose the
correct first step.
-6x – 9y = -123
62 – 7y = -21
Add to eliminate y.
Add to eliminate x.
Subtract to eliminate y.
Subtract to eliminate x.
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Ответ:
I believe it is 37 humans and 37 horses
Step-by-step explanation:
Divide the heads by 2, it will equal 37 heads so 37 horse heads and 37 human heads. If they are at a horse race they need 1 human to ride 1 horse so therefore that is why i divides it by 2. (hope thats right)