Answer:
Step-by-step explanation:
Figure it out yourself
Answer:
x=15
Step-by-step explanation:
21-6=15
-4x+y=-5x-y=15
x+y=-y=15
x=15
Answer:
2.112
Step-by-step explanation:
don't have one
Answer:
thanks for the free answer
Step-by-step explanation:sucks to suck