va80001 va80001

19-12-2019
Mathematics

contestada

Solve the system of equations by substitution.
y equals 3 x minus 10
3 x plus 2 y equals 16

Respuesta :

Yang100 Yang100

19-12-2019

Answer:

x=4, y=2. (4, 2).

Step-by-step explanation:

y=3x-10

3x+2y=16

-----------------

3x+2(3x-10)=16

3x+6x-20=16

9x-20=16

9x=16+20

9x=36

x=36/9

x=4

y=3(4)-10=12-10=2

Answer Link

Otras preguntas

Jennifer makes keychains and sells them online. She makes a profit if $3.00 per key chain but she has to pay $5.00 to PayPal for using the app. How many keychai

One way in which Christopher Columbus, Galileo Galilei, and Charles Darwin are similar is that each

ax ➕ 3x equals bx plus 5[tex]ax \: + \: 3x = bx \: + 5[/tex]

What is the preamble and what is its purpose

i still get stuck on slope like i can graph it but cant do tjis

Jamie says the value of1.49 (-15/29) is close to -0.75.Student A says this estimate is reasonable because the product is negative and about half of 1.5.Student

He lay on the beach all morning is correct verb

The question is true or false and correct the error. The differemce in charges across the thylakoid membrane provides the energy to make ATP

a psychiatrist who believes in the biomedical approach to therapy would probably

Carbon is found in carbonate rocks, such as limestone, in the atmosphere as carbon dioxide gas, in water as dissolved carbon dioxide, and in all organisms as or