624629
624629 624629
  • 16-12-2019
  • Mathematics
contestada

y=2x+9
y=6−x
what is the solution??

Respuesta :

jana773
jana773 jana773
  • 16-12-2019

Step-by-step explanation:

y=2x+9

y=6−x

(y-2x=9)(-1)

y+x=6

-y+2x=-9

y+x=6

3x=-3

x=-3/3=-1

sub x=-1 in eq 1

y-2(-1)=9

y+2=9

y=9-2=5

so (-1;5) is the only solution for this system

(hope it's correct)

Answer Link

Otras preguntas

choose the past perfect or the past simple
The pronouns we, their, yourselves, and them are all A) plural. B) singular C) first-person. D) third-person.​
3x+5=-x-7 what is the x value
how many solutions are there to the equation below 7(x+2)=7x-10
A car salesperson earns 2% on used car sales and 6% on new car sales. The salesperson wants to earn a $7000 commission this month. Write a model that shows the
which equation represents a liner function
Similar meaning i. short journey :ii. gather:iii. kinds:iv. watched:v. shining:vi. fascinate:vii. agreement:viii. agreement:ix. request:x. entertainment:xi. v
¿crees que en pleno siglo xx1 los derechos de los niños, niñas y adolescentes se siguen vulnerando?¿porque?
Explain the law of conservation of energy.
Which statement is true about the climbers’ heights? What is the value of a in the equation 3 a plus b equals 54, when b equals 9? 15 18 21 27