Math, asked by priyathomas9204, 4 months ago

If x=a-1 and y=2a-1 is a solution of equation 3x+2y+7=0,then find the value of a

Answers

Answered by swathiagarwal27

2

Answer:

3(a-1)+2(2a-1)+7=0

3a-3+4a-2+7=0

7a-5+7=0

7a+2=0

7a=-2

a=-2/7

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