Djkeblbek1
Djkeblbek1 Djkeblbek1
  • 09-12-2014
  • Mathematics
contestada

Y=-3x+12
Y=3x-6
How do I solve this step by step system of substitution

Respuesta :

luana
luana luana
  • 09-12-2014
[tex] \left \{ {{y=-3x+12} \atop {y=3x-6}} \right. \\\\ Equal\ both\ equations\\\\\ -3x+12=3x-6\ \ \ | subtract\ 3x\\\\ -6x+12=-6\ \ \ | subtract\ 12\\\\ -6x=-18\ \ \ | divide\ by\ -6\\\\ x=3\\ y=3*3-6=9-6=3[/tex]
Answer Link

Otras preguntas

The notation used to extend pitches beyond the normal staff is called a(n) _____. ledger line interval treble clef bass clef
Can anybody help with this pls :)
Help...........................
What are 3-5 ways rocks are formed?
Find the volume of a cube given the side length. side length = 8 ft
select the 2 problems below where you would need to reverse the inequality when solving
Write a ratio for the following situation: For every one year, there are twelve months.
PLESE HELP ME I NEED A CATHCY PHRASE FOR A TITLE ABOUT PHONE SCAMS PLEASE HELP I WILL GIVE BRAINLY
Quiz Instructions Question 1 1 pts After the Revolution, the balance of power between women and men and between whites, blacks, and Indians remained largely unc
EXPLAIN how to clean ONE area inside the kitchen A.sinkB.worksurface/counterC.floor​
good job