Question

Solve the following pair of linear equations:
3x – 5y = 4
2x + 7 = 9x​

Answer 1

2x+7=9x (from equation 2)

9x-2x=7

7x=7

x= 7/7

x=1

putting value of x in equation 1

3x-5y=4

3×1-5y=4

3-5y=4

5y=3-4

5y= -1

y= -1/5

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