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

Otras preguntas

How many sides does a regular polygon have if the measure of one of its interior angles is 168 degrees?

Does anyone know how to do the bottom question in the attachment below?

Which of the following conclusions can be drawn from the information in the maps? Each cultural region in Europe has one dominant language. Western European lan

what causes spring the season

2) The City of Oz has to repaint its cylinder-shaped water tower. Only the top and sides need to be painted. If the water tower has a height of 60 feet and a

Which Roman contribution to political theory was adapted by the founding fathers?

Which correctly identifies the connection between peasants and serfs

PLEASE HELP I REALLY REALLY NEED THIS ANSWER NOW THANKS We need lots of energy to do the things we want to do: keep our houses warm, drive cars, run computers,

PUNCTUATION 9: QUESTION 4 Which statement about colons is not correct? Select one: A colon is used to introduce a list of items. A colon is used to emphasize

"We have been driven to the conclusion that only through legislation can any improvement be effected, and that that legislation can never be effected until we h