kefernanda40 kefernanda40
  • 09-11-2018
  • Mathematics
contestada

2x + y = 7 y = x + 1 When the expression x+1 is substituted in for y in the first equation, the result is

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 09-11-2018

2x+y =7

subtitute

2x+x+1 =7

3x+1=7

subtract 1 from each side

3x=6

divide by 3

x=2

y = x+1

y=2+1

y =3

Answer: x=2, y=3

Answer Link

Otras preguntas

At the pet fair, Darlenes dog weighed 5 times as much as leah's dog Together the dogs weighted
Every person has the same calorie needs Torf
What are the 3 characteristics of a good math explanation?
the thirteen american colonies opposed the sugar act,stampt act,and tea act because these acts
Speed training increases one's maximum velocity. a. True b. False
The meristem consists of: A) cells with a thick cuticle B) differentiated cells C) undifferentiated cells D) all of the above
What is halfway between 326,700 and 418,200?
Explain what you can tell just by comparing the symbols in a picture.
You paint 3/4 of a wall in 1/2 hour. Your dad paints 3/4 of a wall the same size in 1/4 hour. How do your rates compare?
jamal hiked on two trails. The first trail was 5 1/3 miles long, and the second trail was 1 3/4 times as long as the first trail. How many miles did Jamal hike