Answer:
a. x=9
b. PR = 59
Step-by-step explanation:
a. 11x-40 = 6x+5
11x-6x=5+40
5x=45
x=9
b. PR = 11(9) -40
= 99-40
= 59
(2x-8)(7x+5)=0
2x-8=0
Divide both sides by 2
X-4=0
Add 4 to both sides
X=4
7x+5=0
Subtract 5 from both sides
7x=-5
Divide both sides by 7
X=-5/7
X=4, x=-5/7
Hope this helps :)
Answer:
It would be b)4
Step-by-step explanation: