2.
you had nothing for 1. and I am not sure what you mean by 4.
This is a list of all answers
Answer:
x = -1
Step-by-step explanation:
-4(3x-7) =40
Divide each side by -4
-4(3x-7)/-4 =40/-4
3x-7 = -10
Add 7 to each side
3x-7+7 = -10+7
3x = -3
Divide each side by 3
3x/3 = -3/3
x = -1
Answer:
-3x+5
Step-by-step explanation:
y2-y1/x2-x1
So assuming she swims the same on Monday, Wednesday, and Friday, as well as 15 on saturday, We can essentially set up an equation.
(51-15)/3
(36)/3
She swims 12 laps On Monday.