Lightskin15
Lightskin15 Lightskin15
  • 12-08-2015
  • Mathematics
contestada

How do you solve the linear equations y=2x-3 and 4y=2x+8

Respuesta :

JaySL JaySL
  • 12-08-2015
Subtract the first equation from the second to get:

4y-y=2x-2x+8+3

Simplifying, we see that 3y=11, so y=11/3.  Substituting this into the first equation, we have:

11/3=2x-3

Adding 3, we see that 2x=20/3, so x=10/3.
Answer Link

Otras preguntas

What biome is New Caledonia considered?
A grade has 81 girls and 72 boys. The grade is spilt into groups that have the same ratio of boys to girls as the whole grade. How many girls are in a group tha
What biome is New Caledonia considered?
What biome is New Caledonia considered?
6 divded by 2/3 = what
What biome is New Caledonia considered?
what are three physical properties of aluminum foil
How do plant populations in a community change over time?
X=5y.          y=10x+20 Help please
solve using substitution, y=2x+5   y=6x+1