joanna93
joanna93
02-12-2019
Mathematics
contestada
1) 3х + 8 y = 30
бx +7y = 6
Respuesta :
naythankyouboi
naythankyouboi
02-12-2019
Multiply the first equation my 2 and than subtract the two equations to eliminate x
6x+16y=60-
6x+7y=6
9y=54
Y=6
Then plug in y to one of the equations
6x+7(6)=6
6x+42=6
6x=-36
X=-6
X=-6 Y=6
Answer Link
VER TODAS LAS RESPUESTAS ( 65+ )
Otras preguntas
PLEASE HELP For the following right triangle, find the side length x. Round your answer to the nearest hundredth. 8 Х ? 11
Carlos had 7¾ cups of cheese. After making 5 pizzas, he now only has 2 cups of cheese. How much cheese did Carlos use?
For what angle is sin θ + cos θ = 2.34?
During an experiment, a spinner landed on green 9 times, which resulted in an experimental probability of StartFraction 1 over 6 EndFraction. Mary said that the
The Byzantine Empire lasted for a thousand years before falling to A) the Ottoman Turks. B) Bosnia and Herzegovina. C) Austria. D) Hungary.
HELP PLS im so lost and i need this asap
Find the length of c. If your answer is correct you will see an image appear on your screen.
how do I solve #7? do i add all the angles together like a normal triangle and make it equal to 180?
PLEASE HELP ASAP!!!!! NEED DONE QUICKLY!!!!!!!!
What is the turning point in "At the Crossroads", or Nick's life?
