jocabmichv2 jocabmichv2
  • 09-04-2021
  • Mathematics
contestada

if -2x + 3 = 7 and 3x + 1 = 5 + y, the value of y is

Respuesta :

saraalvi00
saraalvi00 saraalvi00
  • 09-04-2021

Answer:

value of y is -10

Step-by-step explanation:

-2x+3=7     equation 1

3x+1=5+y    equation 2

by eq 1

-2x=7-3

-2x=4

x=-2

put value of x in equation 2 to get value of y

3(-2)+1=5+y

-6+1=5+y

-5=5+y

-5-5=y

y=-10

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