Lightskin15 Lightskin15

12-08-2015
Mathematics

contestada

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

Respuesta :

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 is the state of matter for the outer core?

What is the slope of the line that contains the points (-2, 2) and (3, 4)? A.5/2 B.2/5 C.-5/2 D.-2/5

Why does east asia have have rugged land??

Simplify the fraction4/8

Prove Sin theta= tan theta/ sqrt 1+tan^2 theta. Hint: Solve for sin^2 in number 14. Here is number 14: sin^2 theta/ 1-sin^2 theta= tan^2 theta

PLEASE HELP ASAP!!! Which minority group has been discriminated against the most in the U.S. to prevent them from voting and why?

The first paragraph of the Constitution is called the

30 pts.Imee cycled from her home to the library at a speed of 12 km/h. She left her house at 21:25 and arrived at the library at 22:00. On her way back, she cyc

How to check what level you are in runescape?

A concession stand sells hamburgers (h) for $2 and hotdogs (d) for $1. On Friday night they sold a total of 300 hamburgers and hotdogs and made $420. How many o