06-04-2019
Mathematics

contestada

solve the following system of equations below 4x+y=16 2x+3y=-2

Respuesta :

starlipika starlipika

06-04-2019

answer:

x = 5

y = -4

steps:

4x + y = 16

multiply 2nd equation by 2

4x + 6y = -4

subtract equations

0 -5y = 20

-5y = 20

y = 20 ÷ -5

y = -4

substitute y = -4 to find the value of x

4x + (-4) = 16

4x - 4 = 16

4x = 20

x = 5

Answer Link

Otras preguntas

4 percent of s is equal to 3 percent of t, where s > 0 and t > 0. which values is greater either s or t

Can someone summarize the technique of gel electrophoresis in one or two sentences?

Explain the process that occurs when a flowering plant reproduces.

identify the belief system that spread to China from India during the late Han period and appealed to the people during the trubuleng times

One important result of the Emancipation Proclamation of 1863 was that

What is the purpose of the biogeochemical cycles?

Describe two environmental concerns associated with soil erosion.

What is the part of the stem where flowers are attached called?

A blood test shows that someone has a higher-than-normal WBC count. What does that indicate?

Find the derivative of the function. y=sqrt( 3x+sqrt( 3x+sqrt( 3x))) Plz help :)