Answer:
Elgas is 9 years old.
Step-by-step explanation:
Alvin: 3 x Elgas
36: Alvin + Elgas
36 / 4 : 9
Elgas: 9
Alvin: 27
To check: 27 + 9= 36
Answer:
x=12.6
Step-by-step explanation:
5x -9 / 7
5x= -9x7
5x= -63
x= -63/5 = -12.6
x= -12.6
Yes you are correct.........
Answer:
They're all like terms (x)
Whats that kinda question