Answer:
7a + 2b
Step-by-step explanation:
Given
4a + 3b + 3a - b ← collect like terms
4a + 3a + 3b - b
= 7a + 2b
Answer:
I highly recommend that it must be the second story
The y intercept is the value of y when x=0. Substituting we get
y = 4
Answer: 4
