Answer :
Answer:
Step-by-step explanation:
Rearrange:
x-y=3
x=3+y
Substitute x as 3+y
so you can solve for y:
2(3+y)+y=15
6+3y=15
y=3
Use x=3+y to find x.
Answer:
Step-by-step explanation:
Rearrange:
x-y=3
x=3+y
Substitute x as 3+y
so you can solve for y:
2(3+y)+y=15
6+3y=15
y=3
Use x=3+y to find x.