Nikki1112
Nikki1112
06-12-2016
Mathematics
contestada
Solve: 3x-3y=3
y=-5x-17
Respuesta :
blahboy1429
blahboy1429
06-12-2016
Substitute y = -5x - 17 into the first equation:
-3x - 3y = 3
-3x - 3*(-5x - 17) = 3
-3x + 15x + 51 = 3
-3x + 15x = 3 - 51
12x = -48
x =-48/12 = -4
y = -5x - 17 = -5*(-4) - 17 = 20 - 17 = 3
so the solution is x = -4, y = 3
Answer Link
VER TODAS LAS RESPUESTAS ( 58+ )
Otras preguntas
Which of the following doesn't describe an MDC? A. It has undergone the demographic transition. B. Its age structure diagram resembles a pyramid. C. It's
Which of the following problem types can always be solved using the law of cosines or sines? Check all that apply. A. SSS B. AAA C. ASA D. S
Which of the following is not true of lymph nodes
Must a function that is decreasing over a given interval always be negative over that same interval? Explain.
Which of the following is a true statement about Freedom House? 1. It's a nongovernmental organization based in the united states that monitors and promotes dem
1. _____ occurs when sperm fertilizes an egg cell. Menstruation Conception Ovulation Labor 2. Which stage of labor is called the "pushing" stage? first
How is a judge's role in government different from an elected official?
You are seeking a way to store computer files so you have backup copies anywhere you go.? Which one of the secondary storage types below would be best if you
1. “Elegy Written in a Country Churchyard” is mostly narrative, because it tells a story. lyrical, because it focuses on feelings. idyllic, because it celeb
The water in a 150-mL flask is poured into a beaker that contains 600 mL of ethyl alcohol. Which substance is the solvent in this mixture? ~ water because it i
Q&A Platform for Education
Platform Explore for Education
