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Leviafan [203]
3 years ago
12

Find the value of 2x-yi fx+y=8and4x-y=22​

Mathematics
1 answer:
Alexeev081 [22]3 years ago
5 0

Answer:

10

Step-by-step explanation:

Given

x+y=8\\ \\4x-y=22

Add these two equations:

x+y+4x-y=8+22\\ \\5x=30\\ \\x=6

Substitute it into the first equation:

6+y=8\\ \\y=8-6\\ \\y=2

Then

2x-y=2\cdot 6-2=12-2=10

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