maiconway791
maiconway791
04-08-2017
Mathematics
contestada
Helppppppppppppppppppp
Respuesta :
kphung76127
kphung76127
04-08-2017
3x-4y=-30
3x+2y=6
Multiply the second equation by -1
-3x-2y=-6
Add the two equations together to cancel out x
-6y=-36
y=6
Then put the y value in one of the original equations to solve for x
3x+2(6)=6
3x+12=6
3x=-6
x=-2
The answer is C
Answer Link
VER TODAS LAS RESPUESTAS ( 28+ )
Otras preguntas
Answer the questions: 1). Geothermal energy is a renewable energy source powered by.. A) radioactive decay inside earth. B) Light from the sun. C) plate tectoni
Which was a key event that influenced the writing of J.R.R. Tolkien? 1) the death of his grandfather 2) World War I 3) World War II 4) the Holocaust NOTE: If yo
How do you do this question?
Edward is playing a game where he draws cards with integers on them from a deck of cards. If the integer is positive he moves forward that many steps, if the in
line L passes through the points (a, 2a) and (b, 2b),where a ≠ b.Determine the slope of the line L. A.)1 B.)2 C.)-2 D.)a-bi think the answer would be 2 but i ne
If y = 3x - 4 and the domain is {-3,-1,4}, find the range. A) {5, -7, 8} B) {-13, -7, 8} C) {-13, -6, 8} D) {-13, -7, 16}
24lbs of potatoes cost $288. How much would 29lbs cost?
How much force is needed to stop a 80 kg football player if he decelerates at 5m/s?
I don't exactly understand the question but I need help please. 74 points to best answer
Find the value of x RT=4x+10 SW= 5x-20
