who221b
who221b who221b
  • 11-05-2016
  • Mathematics
contestada

What is the solution for this system of linear equations?
{23x+4=y
4−2x=y

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 11-05-2016
we can subsitute since
23x+4=y and
4-2x=y
therefor
23x+4=y=4-2x
so
23x+4=4-2x
minus 4 on both sides
23x=-2x
add 2x to both sides
25x=0
divide both sides by... uh oh
I guess x=0

sub
4-2(0)=y
4-0=y
4=y

the solution is (0,4)
Answer Link

Otras preguntas

what is a fraction of a circle of 120 degree
How are kingdom and genus related ??
two numbers rational. between 0.3 and 0.4 express one as a decimal and fraction. explain why these numbers are rational
If the atmosphere is like a greenhouse, what parts of it function as the "glass"?
How do archaebacteria move?
Can someone please explain how I would figure this out
What does ¿Cuál es la fecha de hoy? mean and how would you answer?
81 is 54% of what number
WHAT IS A GOOD PERSONIFICATION POEM ABOUT THE FIRST DAY OF SCHOOL!!!!!
What is the acceleration of a 6.4 kilogram bowling ball if a force of 12 N is applied to it?