Answer:
Yeahhh.... My Birthday.......
(≧▽≦)
Answer:
B)-4
Step-by-step explanation:
y=mx+c
sub in a point and gradient/slope to get c
-7=3(-1)+c
-7=-3+c
-7+3=c
c=-4
y=3x-4
if u looking for the y intercept make x=0
y=3(0)-4
y=-4
(-2/3, 2)
Solve for the first variable in one of the equations, then substitute the result into the other equation.