Answer:
the second one
Step-by-step explanation:
ah, those are systems you want one variable to cancel out. I would time the bottom equation by -1 so x cancels then u solve for y. then u plug all back in to solve for x.
Answer:
Order summands
2
Subtract
5
.
1
5.1
5.1
from both sides of the equation
3
Simplify
4
Divide both sides of the equation by the same term
5
Simplify
Step-by-step explanation:
Answer:
21. C
22. D I got 263.89
23. I'm not sure about this one
24. C
25. D
Step-by-step explanation:
I hope the ones i answered were correct if not i am sorry