Answer:
x>-3-y
Step-by-step explanation:
subtract y from both sides
Answer:
D
Step-by-step explanation:
Maria = x
Tom = y
Use substitution
x+y=30
2y=x
2y+y=30
3y=30
y=10
Tom is 10 years old.
x+y=30
x+10=30
x=20
Maria is 20 years old.
Answer:
y < 4x - 2
Step-by-step explanation:
Answer:
-3
-7
-7
-8
Step-by-step explanation: