सब्सीट्यूट मेथड3x+4y=10,2x-2y=2
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Answer:
x=3, y= 1
Step-by-step explanation:
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Step-by-step explanation:
3x+4y=10-------(1)
2x-2y=2---------(2)
(1)×2=>6x+8y=20
(2)×3=>6x-6y=6
(-) (+) (-)
-------------------------
14y=14
=>y=14/14
=>y=1
Substituting the value of y in equation (1) we get
3x+4y=10
=>3x+4×1=10
=>3x+4=10
=>3x=10-4
=>3x=6
=>x=6/3
=>x=2
so x=2 y=1
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