Answer:
Step-by-step explanation:
C
Answer:
Elimination
Step-by-step explanation:
Graphing takes too long, substitution can sometimes complicate things quickly, therefore I would use elimination as my prime method of solving systems of equations.
Answer:
It does work.
Step-by-step explanation:
Answer:
Just list all the coefficients.
Step-by-step explanation:
one thing to know
If a variable is just there, like x, it's coefficient is always a one
1. (12 and 4)
2. (46 and 10)
3. (12 and 14)
4. (10 and 10)
5. (17 and 32)
6. (5,7 and -12)
7. (36 and 70)
8. (3,19 and 10)
9. (7 and 16)
10. (8 and 5)
11. (9 and 120)
12. (12 and 1)
13. (7,15 and 1)
14. (4,-8 and 12)
15. (6,17, and -35)
Answer:
A) 13
Step-by-step explanation:
l // m
9x + 10 = 127
9x = 117
x = 13