willielloyd469 willielloyd469

02-11-2019
Mathematics

contestada

Given the following system of equations: 2x+6y=12, 4x+3y=15

Respuesta :

mvb7075 mvb7075

02-11-2019

2x + 6y = 12..........(1)

4x + 3y = 15............(2)

(1) * 2

= 4x + 12y= 24

SUBTRACT (1) & (2)

= 4x + 3y = 15

4x + 12y = 24 ( - )

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

-9y = -9

y = 1

x = 3

Answer Link

Otras preguntas

Dominic spent hours on his art project. Rachel worked times as long on her art project as Dominic worked. For how many hours did Rachel work on her art project?

Match the element with its oxidation number (charge). 1. +1 O 2. -1 Ca 3. -3 Si 4. -2 Al 5. +2 N 6. +3 Na 7. +/- 4 F

name some jobs that include math on a daily bases.

Using recursion, write a program that asks a user to enter the starting coordinates (row, then column), the ending coordinates (row then column), and calculates

What happens to Earth's surface when horizontal pressure is applied to rocks?

−9x (5x+4 ) +10 (x+3) can someone please solve his for me thank u step by step please i really need to find out how to do it

the image depicts the anatomical structure of the forelimb of a dolphin and a bat, both mammals. Which hypotheses are consistent with the evolutionary relations

PLEASE HELP!! 100 POINTS Will mark brainliest.

A car park has 20 vehicles 12 of them are cars.what fraction of the vehicles are cars?

posting this until someone answers it and it’s not a link