gretaggustafson gretaggustafson

01-04-2020
Mathematics

contestada

Solve question 3 (a and b)
— solve each system of equations by elimination.

Solve question 3 a and b solve each system of equations by elimination class=

Respuesta :

ghanami ghanami

01-04-2020

Answer:

Step-by-step explanation:

hello :

6x+5y=-20.....(*)

-6x-10y=25.....(**)

add(*) and(**) : -5y=5 so y= -1

multiply (*) by 2 : 12x+10y=-40 ...(***)

now add(**) and (***) : 6x=-15 so x = -15/6 = -5/2

Answer Link

Otras preguntas

If you ever swam in a pool and your eyes began to sting and turn red, you felt the effects of an incorrect pH level. pH measures the concentration of hydronium

Which of the following is a topic sentence that the other sentences support? A hero is someone who sacrifices himself for a greater cause. Self-sacrifice i

The law of equal areas suggests that planets move fastest when at and slowest when at .

how do u use extent in a sentence

Write a fraction that is equivalent to 6 divided by 27

what decimal is equivalent to 9\100

three girls searched for geodes in the desert Corinne collected 11 1/8 pounds, Ellen collected 4 5/8 pounds, and Leonda collectrd 3 3/4 pounds. How much more d

If you finish your yard work, you can take the car to the movie. What type of clause is underlined in this sentence?

how many hours are there in a week? explain how yuo found your answer.

Explain two functions of the public protector