Jala1234567890 Jala1234567890

25-04-2019
Mathematics

contestada

2x + y = 3 x - 2y = -1 If equation two is multiplied by -2 and then the equations are added, the result is what?

Respuesta :

sofiaSMEB22 sofiaSMEB22

25-04-2019

Answer:

2x + y
3 x - 2y
-1

2(3 x - 2y) = -6x + 4y

2x + y + -6x + 4y + -1 = -4x + 5y -1

Answer Link

Otras preguntas

Miguels coffee shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Miguel $5.95 per pound, and type B coffee costs $4.65 per pound.

explain any two types of board band connection

What was the US national debt when Andrew Jackson was president?

Describe the processes required to transform a rock from....Igneous Rock Sedimentary Rock Igneous Rock

Rounded to three decimal places, what is the value of r for this data set?

please help, see in picture below

Question 4 Look at these words from the passage and their meanings. Based on these words and their meanings, what is the MOST likely meaning of the word root vi

The French club is sponsoring a bake sale to raise at least $365. How many pastries must they sell at $2.80 each in order to reach their goal? O at least 1,022

A college student makes a deal with her parents to live at home instead of living on campus. She will pay her parents $0.10 for the first day of the month, $0.2

what is 36/7+43/9 pls help