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Solve pair of linear equation by substitution method 1-....6x-5y=1 2x+3y=5

Posted by Uday Bhanushali 6 years, 8 months ago

CBSE > Class 10 > Mathematics

3 answers

Prachi Janwani 6 years, 8 months ago

Sorry,the value of x is (1+5y)÷6 not 3

1Thank You

Prachi Janwani 6 years, 8 months ago

Taking equation 1 6x-5y=1 Here x=(1+5y)÷3 Put the value of x in equation 2, 2x+3y=5 2[(1+5y)÷6]+3y=5 (1+5y)÷3+3y=5 5y÷3+3y=5-1÷3 (5y+9y)÷3=(15-1)÷3 14y=14 Therefore,y=1 Now,put the value of y in equation 1 6x-5(1)=1 6x-5=1 6x=1+5 6x=6 Therefore,x=1 The answer is X=1 and Y=1

1Thank You

Lakshya Pratap Singh 6 years, 8 months ago

x=1, y=1.

3Thank You

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