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rosijanka [135]
3 years ago
14

Y=x+5 4x + y = 20 Linear equation

Mathematics
1 answer:
laiz [17]3 years ago
7 0

Answer:

x = 3, y = 8

Step-by-step explanation:

by substitution

4x + (x+5) = 20

5x + 5 = 20

x = 3

y = x + 5 = 3 + 5 = 8

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