Question

Solve the following pair of linear equations by substitution method :

2x + 3y = −9 and 3x −7y = 44​

Answer 1

Answer:

Step-by-step explanation:

2x + 3y = −9 ( equation 1 )

3x −7y = 44​ ( equation 2)

firstly multiply the whole equation 1 with 3 and equation 2 with 2 we get,

6x + 9y = -27

6x - 14y = 88

now, simply substract  equation 2 from equation 1 we get

25y = -115

y = -115/25

Answer 2

Step-by-step explanation:

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