Math, asked by kappi20021, 1 year ago

plz answer my question fast nineth and tenth one

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Answers

Answered by Anonymous
5
substitute
3y+10-7y =-30 -4y=-40
y =10
putting in eqn 1
x-30=10
x=40
40 and 10 is Ans.
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kappi20021: thnx
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