Question

x - 2y = 5 5
2x + 3y = 10
substitution method​

Answer 1

Answer:

x-2y=55

x=55+2y

2x+3y=10

2(55+2y)+3y=10

110+4y+3y=10

110+7y=10

7y=10-110

7y= -100

y= -100/7

x=55+2(-100/7)

x=55 -200/7

x=385-200/7

x=185/7