Seudónimo Seudónimo

17-03-2022
Mathematics

contestada

Solve the following system of equations using substitution method.
x + y = 4

4x + 8y = 20

Respuesta :

XxAtomicxX XxAtomicxX

17-03-2022

Step-by-step explanation:

x+y=4

x=4-y

4x+8y=20

4(4-y)=20

16-4y=20

-4y=20-16

y=4/-4

y=-1

x+y=4

x+(-1)=4

x=4+1

x=5

hope this helps you

have a nice day

Answer Link

Otras preguntas

Certain gases in the atmosphere, like carbon dioxide, nitrous oxide, and methane, absorb heat and prevent it from escaping into space. These gases are _____. pr

Max bought a pair of jeans for $32 and three T shirt for t dollars each. Write an expression for the total amount Max spent.

She notices an error in grammar in the first paragraph of the text. Find the error and replace it with the correct verb form. It is very important to train your

what are the four major social groups in the varana

Which climate is best suited for chemical weathering? a. War and dry b. Warm and wet c. Cold and dry d. Hot and dry

Are raw carrots a hazardous food?

During the birth of Romanticism in the early 1800s, Great Britain was a. a land of freedom and equality. b. falling into international obscurity. c. cultural

some phrases can stand alone and some cannot. is this true or flase

How did George Washington die?

Create a song that teaches the important facts about the Middle Ages. (should include at least 10 facts)