sushilachhetri sushilachhetri
  • 17-02-2019
  • Mathematics
contestada

Solve this system of lineal equations.separate the x- and y- values with a comma 2x=68-12y and 8x=-28+12y

Respuesta :

jelyakin jelyakin
  • 17-02-2019

Answer:

Step-by-step explanation:

rewrite each equation

1) 2x+12y=68

2)8x-12y=-28

because the y values are the same number but opposite signs they will cancel out nicely.

10x=40

x=4

now lets plug x into any of the equations.

2(4)+12y=68

12y=60

y=5

(4,5)

Answer Link

Otras preguntas

Which statement about electrons and atomic orbitals is not true? An electron has the same amount of energy in all orbitals. An orbital can contain a maximum of
How does the electrochemical process help you? It allows you to move your muscles. It carries messages through neurons. both A and B It balances the electrolyte
Solve the quadratic equation by factoring-
I NEED HELP I DONT UNDERSTAND IT!! ASAP FOR A TEST A. ( 4,-3) B. (-3,4) C.(-4,3) D. ( 3,-4)
which of the following adjectives can be placed before the noun (check all that apply)good two sad bad ​
k increased by the product of 5 and 3 ​
why are metals electropositive in nature​
8. Where was the first Virginia FBLA local chapter organized?​
Mary says the slope of this line is −6. Dayana says the slope is 2/5​. Who is correct? Y=2/5x-6
The product of a rational number and a rational number is rational A. Always True B. Sometimes True C. Never True