Respuesta :
Answer:
since when did questions have 2 equal signs
this looks made up
Step-by-step explanation:
x=-13/3
a= 7.5
y=11/3
3x+13=15-2a=22-6y=0
solve for x:
3x+13=0
3x=-13
x=-13/3
solve for a:
15-2a=0
-2a+15=0
-2a=-15
a= 7.5
solve for y:
22-6y=0
-6y+22=0
-6y=-22
y=11/3