Ash0405
Ash0405
02-02-2015
Mathematics
contestada
Solve by substitution
X+3y=1 and -3x-3y=-15
Respuesta :
Аноним
Аноним
02-02-2015
[tex]x+3y=1\\ -3x-3y=-15\\ add\quad the\quad equ.\\ (x+3y)+(-3x-3y)=1-15\\ x-3x+3y-3y=-14\\ -2x=-14\\ x=\frac { -14 }{ -2 } \\ x=7\\ Let's\quad rewrite\quad the\quad equ.\\ 7+3y=1\\ 3y=1-7\\ 3y=-6\\ y=\frac { -6 }{ 3 } \\ y=-2[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 59+ )
Otras preguntas
"Use the graphical method to solve this problem: Minimize Z = 15 X_1 + 20 X_2 Subject to X_1 + 2 X_2 ≥ 10 2X_1 – 3X_2 ≤ 6 X_1 + X_2 ≥ 6 and X_1 ≥ 0, X_2 ≥ 0"
Which atom has the strongest attraction for valence electrons a) Al b) Si c) P d) S
a certain reaction has delta h= -75 kj mol and an activation energyh What is the activation energy of the reverse reaction?
For this question, A new building is formed by a square prism with a square pyramid on top. The base has an edge length of 60 feet, and the height of the prism
What is the solution set of the following system of equations? y=3x+6 y=(x+4)^(2)-10 The solution tothe system is at (-5,-9). The solutjon to the system is at (
a certain reaction has delta h= -75 kj mol and an activation energyh What is the activation energy of the reverse reaction?
Human have the ability to change the charachteristics, or traits, o organisms over time. What is the process called?
guys give credits to jeonjungkook123 BTW im putting this on maths so i could get people attention who wants 23 points for free
Find the value of each variable and find the mesure of the labled angle. Question:is that the same thing or are they different things?
Frank finds 9 coins on the floor of his car, and 3 of them are quarters. If he finds 15 more coins on the ground, at the same ratio as the coins found in the ca
