Stinkypete2013 Stinkypete2013

03-12-2019
Mathematics

contestada

find the solution of this system of equations. -x - 5y= 30, 10x + 5y= -75

Respuesta :

Yang100 Yang100

03-12-2019

Answer:

x=-5, y=-5. (-5, -5).

Step-by-step explanation:

-x-5y=30

10x+5y=-75

-----------------

9x=-45

x=-45/9

x=-5

-(-5)-5y=30

5-5y=30

5y=5-30

5y=-25

y=-25/5

y=-5

Answer Link

Otras preguntas

how do i make 45/150 a fraction and a decimal

When you're working with a word processing document and you press the DEL Key what happens

Which of the following is a declarative sentence? A. Where is John taking Mary on their date? B. John asked Mary to go on a date. C. John and Mary are dat

what is the answer to 1+1

What is the midpoint of 18.6 and 18.5?

At the playground, 60% of the bike rack was filled. Thisis 30 bikes. How many total slots are there for bicycles?

Simplify the following expression. (45x + 64y) - (3x - 16y) A.42x - 80y B.42x - 48y C.42x + 80y D.42x + 48y

A set of data includes 101 data points ranging from 0 – 200. If the data is split into classes with a range of 20 (1 – 20, 21 – 40, etc), and there are no value

at a concession, stand seven hotdogs and two hamburgers cost $12.75; two hot dogs and seven burgers cost $16.50. find the cost of one hot dog and one burger.

The series of events that make up the actual story of a play is its ______. plot dialogue setting theme