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

Respuesta :

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

22-10-2018

The answer is letter D

Answer Link

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