Answer:
y=2x-5
explanation
m is gradient so rise over run and b is the y intercept which is -5
Answer:

perform cross multiplication:

Answer:
23
Step-by-step explanation:
Brackets go first, 5 (y) - 4 (x) = 1. Now, 3 x 1 = 3, you do this because of the 3 next to the brackets. Now add them together.
The answer is that y is equal to zero