Question

2y-x=10,10x+15y=105...solve for x and y by substituting method​

Answer 1

Answer:

x = 12/7 & y = 41/7

Step-by-step explanation:

pls refer attachment

Answer 2

Answer:

x=9, y=9.5

Step-by-step explanation:

2y-x=10 -(1)

10x+15=105 -(2)

10x=105-15

x=90/10

x=9

substituting (2) in (1)

2y-9=10

2y=10+9

y=19/2

y=9.8