Solve by substitution method : = 3 ; 2 − 3 = 39.
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Answer:
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Step-by-step explanation:
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Answer:
3x−y=3 …………(1)
9x−3y=9 ………..(2)
Substitution method
3x−y=3
y=3x−3 [Put in equation 2]
9x−3(3x−3)=9
9x−9x+9=9
∴ ∞ solutions because both lines same
3x−y=3 ……..(1)
3(3x−y)=3×
3 ………. (2)
1=2.
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