torreseli146
torreseli146 torreseli146
  • 01-04-2021
  • Mathematics
contestada

What is the x-value of the solution to this system of equations?
Y=2/7x-1
2x + 7y = -49

Respuesta :

karkismriti176
karkismriti176 karkismriti176
  • 04-04-2021

Answer:

x = -21/2

Step-by-step explanation:

y= 2/7 x-1

or, 7y= 2x -7

or, 2x -7y =7

2x + 7y = -49

4x = -42

x= -21/2

y= 2/7 × -21/2 -1

= -4

Answer Link

Otras preguntas

What does Dickon do to help Colin? A. He teaches Colin about the ways of the animals. B. He leads Colin to a long-lost portrait of Colin's mother. C.
Which of the following in NOT a loanword trend from French? A. cooking B. dance C. art D. ranching
explain 2 functions of public protector
I'm doing Pre-algebra and I don't know how would I figure out the 13th term of the pattern; 100, 91, 82, 73.... without writing it all the way through and doing
How is DNA related to chromosomes????????????:/
Cocaine is an opiate. true or false
If $8700 is invested at 3% annual simple interest, how much should be invested at 6% annual simple interest so that the total yearly income for both investments
PLEASE HELP IM RUNNING OUT OF TIME INFORMATION BELOW
Help on #1 pls......
A large rectangular shaped swimming pool has a perimeter of 1020 meters and its length is 20 meters more than 6 times its width .find its dimension