x=y-4 & 2x+4y=10 ( solve using substution method)
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HERE IS YOUR ANSWER
2x + y = 8......(1)
x - y = 1.......(2)
=> x = 1 + y......(3)
Use eqn.(3) in eqn.(1)
=> 2(1 + y) + y = 8
=> 2 + 2y + y = 8
=> 2 + 3y = 8
=> 3y = 8 - 2
=> 3y = 6
=> y = 6/3
=> y = 2......(4)
Use eqn.(4) in eqn.(2)
=> x -2 = 1
=> x = 1 + 2
=> x = 3
Therefore, x = 3 and y = 4 is the required solution
HOPE IT HELPS YOU
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