mipe3ggyfKidgemissy mipe3ggyfKidgemissy

02-10-2016
Mathematics

contestada

−5x − 8y = 17 2x − 7y = −17

Respuesta :

02-10-2016

Elimination Method

-5x - 8y = 17 (×2)
2x - 7y = -17 (×5)

-10x - 16y = 34
10x - 35y = -85
____________
-51y = -51
y = 1

-5x - 8(1) = 17
-5x - 8 = 17
-5x = 17 + 8
-5x = 35
x = -7

(-7, 1)

Answer Link

Otras preguntas

You're most likely to pay your county or town taxes in the form of a/an _______ tax.

which scource would be the most credible for researching Great Dane puppies

Which of the following is a physical property of a substance?? A. Combustion B. Corrosion C. Tendency to tarnish D. Solubility

A material you are testing conducts electricity but cannot be pulled into wires. It is most likely a _____.

A shuttle bus makes 4 round-trips between 2 shopping centers each day. The bus holds 24 people. If the bus is full on each one-way trip, how many passengers a

What are some of the advantages organisational structure

a local sports team sells 6 tickets for $3,8 tickets for $4,and 10 tickets for $5.write a rule and equation to find out the cost of 20 tickets.

Soil structure and soil texture are essentially the same property of soil. true or false

A concrete stepping-stone measures 20 square inches. What is the area of 30 such stones?

Under the Constitution of the United States, you may not be deprived of life, liberty, or property, without A. being charged with a crime. B. due respect for l