melschell123 melschell123

01-02-2018
Mathematics

contestada

I need help with 3x-y=4 y=6-2x

Respuesta :

sqdancefan sqdancefan

05-02-2018

Since you have a "y=" equation, this is solved nicely by substitution.
.. 3x -(6 -2x) = 4
.. 5x -6 = 4
.. 5x = 10
.. x = 2
Then
.. y = 6 -2x
.. y = 6 -2*2 = 2

The solution is (x, y) = (2, 2).

Answer Link

Otras preguntas

What were some major problems the U.S. had under the Articles of Confederation?

Which of the following is true about imprinting? a. It is often used in the training of adult animals. b. It is restricted to birds. c. It always involves th

Members of the Supreme Court serve for eight-year terms. a. True b. False

Estimate the product 33.6 x 82.1

Two example of fungi beside bread mould

The Dictionary of National Biography contains an entry on president George W. Bush. a. True b. False

Justinian I was famous for rewriting the legal code of the _____. Greeks Persians Romans Ottomans User: What kind of printing was invented by the Tang Chinese t

A person can eat too much protein and harm themselves.

Can someone explain to me the multiplicative inverse in detail please i don't understand

Which of these animals is a marsupial? a. elephant b. echidna c. dolphin d. kangaroo