Answer:
yes
Step-by-step explanation:
Answer:
x= -2, y = -3
Step-by-step explanation:
1. substitute x = 4+2y in the first equation: 
simplify it : 
2. isolate y in 8 + 5y = -7 --> 5y = -7 - 8 -->
3. solve for y: 5y = -15 --> y = -15/5 --> y= -3
4. solve for x: x = 4 + 2y
x = 4 + 2(-3)
x = 4 + (-6)
x = -2
Answer:
375
Step-by-step explanation:
Answer:
18
Step-by-step explanation:
Mark is 18 years old.
Answer:
See below.
Step-by-step explanation:
7 ) 29.0
= 4 1/7
= 4.142857142857.........
The 142857 repeats itself without bounds.