Answer:
A
Step-by-step explanation:
because it's not equal to it is dashes ----
Answer:
D
Step-by-step explanation:
THEY LINE UP
Answer:
3x + 12
Step-by-step explanation:
Use the distributive property.
3(x + 4) = 3 * x + 3 * 4 = 3x + 12
Answer: 3x + 12
Answer:
x=18 y=69
Step-by-step explanation:
3x+5y=399
x+5y=363
2x=36
x=18
18+5y=363
5y=345
y=69