two marks question plz answer
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3x-y=3
y=3x-3 (1)
9x-3y=9 (divide both sides by 3)
3x-y=3 (2)
equation (1) in (2)
3x-y=3
3x-(3x-3)=3
3x-3x+3=3
3=3
THIS EQUATION HAS INFINITELY MANY SOLUTIONS.
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