avajdavidson avajdavidson

18-12-2020
Mathematics

contestada

Solve 2x-3y=-5, 5x+2y=16 using elimination. (Please show your work if possible.)

Respuesta :

meowmeow223334 meowmeow223334

18-12-2020

Make y equal
(2x - 3y = -5)2
(5x + 2y = 16) 3
4x - 6y = -10
15x + 6y = 48
Add both equations
19x = 38, x = 2
Plug 2 into any equation
2(2) - 3y = -5
4 - 3y = -5
-3y = -9, y = 3
Solution: x = 2, y = 3... or (2,3)

Answer Link

Otras preguntas

what was one effect of the industrial revolution on united states agriculture in the late 1800s

A feature of a product is called a(n): Answer asset appeal attribute element benefit

What law best explains why we would expect 75% of the offspring to have large teeth

Identify the type of sample used. Max surveys the children who live on his street about the types of equipment they want installed at the new city playground.

why is understanding of classification an important life skill?

a pound of beans cost $4.70. Mrs.pate buys 6.5 pounds of beans.How much does she pay for the beans?

Part 1: Create a spreadsheet with the following data. Item Description Purple Stock White Linen Half Cream Stock 5x7 Greeting Item Number 0059 0067 0098

In a republic, __________ represent territories and citizens in government. a. absolute monarchs b. dictators c. elected officials d. military leaders

Which of the following qualities are NOT associated with mineral luster a.opaque b.metallic c.dull d.rough surface

a 1.36 kg hammer at 22 ms what was the force generated by the hammer