Question

2x-y=3 and y=9-x in substitution method​

Answer 1

Step-by-step explanation:

2x-y=3

x=(3+y)/2

y=9-x

y=9/1-(3+y)/2

y=(18-3-y)/2

y=(15-y)/2

2y=15-y

y=15/3

y=5

y=9-x

5-9=x

x=-4