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 ( 74+ )
Otras preguntas
How does this people survived after the difficulties they are facing?
Find the exact value for the expression under the given conditions. cos(α+β), sin α= -8/17 for α in Quadrant lll and cosβ= -8/15 for β in Quadrant ll.
If the degree of a term is negative, the term is still a monomial. A. True B. False
You rent an apartment that costs $1300 per month during the first year, but the rent is set to go up $120 per year. What would be the monthly rent during the 8t
Jeff drew a line through (0, 0) and (7, 7) and said it was the line of best fit for the data. Part A: Explain why Jeff's line is NOT the best fit. Part B: Wha
write a letter to your friend who is abroad describing him about your culture
help me please (WILL GIVE BRAINLIEST)
c est dans l histoire facheuses nouvelles pour un coeur d amours 1 Notez toutes les informations que vousdonne le texte sur les personnages et leursituation. i
What should be the labels on the X-axis and Y-axis?
A water company charges $20 for service and $2.75 for every thousand gallons of water used in month. Construct a linear model to represent the water bill; how m
