Answer:
E
Step-by-step explanation:
3/5=a/m 3m/5=a
m-3m/5=80
2m/5=80
m=200
y = 2x + b
1 = 2x 1 + b
1 = 2 + b
-1 = b
y = 2x - 1
Not sure if you want it factored or simplified
(-3x - 7) + (4x + 7) = x
&
Cannot factor
9:18