boo71
boo71
12-03-2015
Mathematics
contestada
3x-y=-1 and 2x+y=-14 how to solve showing work?
Respuesta :
Panoyin
Panoyin
13-03-2015
3x - y = -1 ⇒ 6x - 3y = -2
2x + y = -14 ⇒
6x + 2y = -42
-5y
=
40
-5 -5
y = -8
3x - (-8) = -1
3x + 8 = -1
-8 -8
3x
=
-9
3 3
x = -3
(x, y) = (-3, -8)
Answer Link
VER TODAS LAS RESPUESTAS ( 88+ )
Otras preguntas
SOLVE Steven had 325 points in 20 games. What was his average points per game?
Which part of the sentence below is the NOUN clause? He took advice from whomever offered it. O He took He took advice whomever offered it
Ammonium chloride + Potassium hydroxide - Potassium chloride + Ammonia gas + Water Which of the following chemical reactions correctly interprets the chemical w
is this decent art, its from my folder of older art. its about 4 years old but its in decent condition. it even still has those two knife holes in it. wow
What would be the next step in this experiment? A. ask questions and construct a hypothesis B. make observations and draw a conclusion C. construct a hypothesis
I need help on 2, 3, and 4.
Chemical reactions can occur in the cells of living things. true or false this is 7th grade science
Please help me i don’t know how to find x
mario earns a weekly salary of $440.00 plus a 12% commission on any sales. this week he sold $525.00 worth of merchandise. how many did randy earn?
Which two statements best express the concepts Jefferson attempted to convey?
