Answer:
the first one is right and other are wrong
Answer:
-1y or -y
Step-by-step explanation:
8-9 =-1
substtute for y and there ya go
Answer:
3
Step-by-step explanation:
3x+3-x+3=12
3x-x=12-3-3
2x=6
x=6/2
x=3
Y-b/m=x (you just move everything to the other side)
Answer:
Step-by-step explanation:
Point-slope equation for line of slope m that passes through (x₀,y₀):
y-y₀ = m(x-x₀)
In your case, m=5 and (x₀,y₀)=(1,9):
y-9 = 5(x-1)