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Nesterboy [21]
3 years ago
10

When solving the system of equations, which expression could be substituted for r in the first equation?

Mathematics
1 answer:
Marysya12 [62]3 years ago
5 0

Answer:

4-t

Step-by-step explanation:

We use the second equation and  r = 4-t

every time we see r in the first equation replace it with 4-t

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