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

OUR GOAL IS TO COLLECT EMAIL ADDRESSES FROM 60% OF CISTOMERS WHO PURCHASE A PRODUCT

Please help I might fail and If you help I will mark you as the brainiest So wanna help a friend indeed? So HELP ASAP

given any triangle ABC labeled as shown, the law of sines states that:

A water pump with a power of 3.4 × 102 watts lifts water at the rate of 7.5 × 10-2 meters/second from a water tank. What is the force exerted by the pump on the

PLZZZZZ ANSWER THIER 10 EASY MATH QUESTIONS I DON'T KNOW HOW THIS IS 75 POINTSSSSSSS AND ILL GIVE BRAINLIEST THANKS 5 RATED STAR !!!!!!!!!!!!!!!!!!

Identify m∠F. PLEASE HELP!!

Find the surface area of a pyramid, explain in detail. Square bass of 230 meters by 230 meters; height of 140 meters

Which region was more industrial in the mid-1800s? A. The Northeast B. The West C. The North D. The South

A magician asks two volunteers to each draw a card from a standard deck of cards. What is the probability that the first card is a heart and the second card is

What is heterolytic fission?