jordynbu
jordynbu jordynbu
  • 26-02-2019
  • Mathematics
contestada

Solve the system by elimination

4x+3y=-5

-x+3y=-10

Respuesta :

Ammimochi
Ammimochi Ammimochi
  • 26-02-2019

Subtract the 2nd row from the 1st row

5x = 5

Solve for x in the equation above

x = 1

Substitute x = 1 into any of the two equations above

Let's  pick the first equation; 4x + 3y = -5

4 * 1 + 3y = -5

Solve for y in the equation above

y = -3

Therefore,

x = 1

y = -3

Answer Link

Otras preguntas

Describe a real-life multiplication situation for which an estimate makes sense . Explain why it makes sense
The total cost, C, of an item purchased from a store is C = P + .07P, where P is the price before sales tax, and there is a 7% sales tax in effect. An equival
How does Master Auld's prediction about Frederick and learning come true?
What is 45.833 rounded to the nearest hundredths
A local gym offers a trial membership for 3 months. It discounts the regular monthly fee x by $25. If the total cost of the trial membership is less than $100,
The ________ allowed new ideas to flow more easily to distant places during the Renaissance. A. aerial screw B. optical telescope C. printing press D. heliocent
Compare erosion and deposition.
What is animals live near or in people homes I need a vocab word
how to do this problem What is –7=e3+14?
The kingdom protista includes? a. slime and water molds b. multicellular algae c. most of the single celled eukaryotes d. all of the above