Question

Solve:
2 − 7 = 7 ; 3 + = 22​

Answer 1

2x-7y=7

x=7+7y/2

3x+y=22

3(7+7y/2)+y=22

21+21y=44

21y=44-21=23

y=23/21

2x-7(23/21) = 7

2x=7×3/23

2x=21/23

x=21/56

x=3/8

Hope so that it was useful