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

User Laxman
by
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1 Answer

0 votes

Answer:

10

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

User Abiratsis
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