kamdynj1 kamdynj1

01-03-2022
Mathematics

contestada

Solve the system of equations:
x-y=4
4x-7z=24
4y+z=8

Respuesta :

Medunno13 Medunno13

06-03-2022

Answer: x=6, y=2, z=0

Step-by-step explanation:

We know from the third equation that z=8-4y

and from the first that x=y+4

Substitute into the 2nd equation,

4(y+4)-7(8-4y)=24

4y+16-56+28y=24

32y-40=24

32y=64

y=2

Meaning x=6 and z=0.

Answer Link

Otras preguntas

What did the archetype of the devil usually symbolize in the American romantic literature The greed, cruelty and dishonesty of society The religious beliefs and

Through the 20th century and continuing today, the nature of federalism has changed over time with new demands that have tended toward a system where the state

State governments are, for the most part, set up the same as the federal government?

Can a human make amino acids or does he or she have to always get amino acids from eating food?

Which important member of the feudalism system am I? I was hired to protect the kingdom. For my service in the standing army, I received a part of the kingdom's

As a result of the peloponnesian war Sparta was

Polygenic traits are determined by multiple received from each parent.

How are primary and secondary succession similar?

The major cause(s) of the War of 1812 was/were Great Britain’s practice of _________. seizing American ships sending the British Army into American towns to att

Oranges have hundreds of seeds. What does this tell us about their pollination?