Answer:
y=1/4x
Step-by-step explanation:
y=mx+b slope is m rise over run 4 over 1 up so 1/4 then to find y intercept apply slope y int is 0
Answer:

Step-by-step explanation:

Answer:
w=4
Step-by-step explanation:
adding a negative is like subtracting so w=11-7
Answer:
x = 2
Step-by-step explanation:
Given
1 + x = 7 - 2x ( add 2x to both sides )
1 + 3x = 7 ( subtract 1 from both sides )
3x = 6 ( divide both sides by 3 )
x = 2