itssnicholee
itssnicholee itssnicholee
  • 22-10-2018
  • Mathematics
contestada

13. which equation has no solution ?

a) 8-(5v+3)=5v-5
b) 3m-6=5m+7-m
c) 3w+4-w=5w-2(w-2)
d) 7y+9=7y-6

Relax

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 22-10-2018

a) 8 -5v-3 = 5v-5

-5v+5 = 5v-5

identity

b) 3m-6 =4m+7

has 1 solution

c) 2w +4 = 5w -2w +4

 2w+4 = 3w+4

w=0

one solution

d)  7y+9 = 7y-6

subtract 7y from each side

9=-6  impossible

no solution

Choice D


Answer Link
maddybaddy2000
maddybaddy2000 maddybaddy2000
  • 22-10-2018
The answer is letter D
Answer Link

Otras preguntas

In guiding a ship past dangerously shallow water, a light house attendant must determine the distance of the ship from the lighthouse. The lighthouse attendant
French 2 PLEASE HURRY. IF YOU USE GOOGLE TRANSLATE YOU WILL GET REPORTED. THANKS~ Choose the best translation of the following sentence: Paul is washing the dog
What best describes a development that improved railroad safety?
What are some obstacles that discouraged citizens from voting?
can someone help me with number 28
Solve 2x - y = 13 3x + y = 12 A. (9,5) B. (5, -3) C. ( -19, -3) D. ( -3, 5)
For women and men in the 19- to 50-year-old range, the calcium dri is _____ milligrams.​
I'm confuse with these questions
I need some help please.
How do I do this question step by step (3^2- 6/ 3)* 8