Answer:
7. A
8. C
9. C
10. A
Step-by-step explanation:
You just have to work each one out. This is very simple.
So you subtitute y=3x into
2x+y=15
so
2x+(3x)=15
add like terms
5x=15
divide both sides by 5
x=3
subtitute x=3 into first equation (y=3x)
y=3(3)
y=9
Answer:
24
Step-by-step explanation:
ooh nice answer bud Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer:
For me i just guess lol i dont know the correct answer i just telling you the truth
Step-by-step explanation: