24avalosms 24avalosms
  • 22-05-2020
  • Mathematics
contestada

Help Please I need this turned in before grades get put in!!!!!!!!!

Help Please I need this turned in before grades get put in class=

Respuesta :

rameshani1204
rameshani1204 rameshani1204
  • 22-05-2020

Answer:

Step-by-step explanation:

you know the value of y.

so substitute it into the first equation

-4x + 7(3x+15) = 20

now solve for x

-4x +21x + 105 = 20

17x + 105 =20

17x = -85

x = -5

now put the value of x into the y equation.

y = 3(-5) +15

y = -15 + 15

y = 0

Answer Link

Otras preguntas

Which component is released from the active site of an enzyme during a chemical reaction
The rapid industrialization that took place in Europe since 1870 most likely caused
how many 25cm cake tin on 600mm x 500mm tray
Legislative Branch - Define implied powers. What is the debate surrounding implied powers?
In which sentence are all the words spelled correctly? A.Every shipment of jewlry from a foriegn country must be inspected. B.The zoology professor impressed us
What was the Iron Curtain?
According to the World Health Organization, if a sample of 1,000 deaths from around the world was taken, the majority of deaths would be in __________. a. devel
Which statement about the fall of Rome and its effect on culture and civilization in Western Europe is correct? a. The barbarian tribes adopted Latin as their c
Karina and _____ are working together to build a model. a. Her b. Me c. She d. Us
Why did ethnic tension become such a severe problem in the Soviet Union and Yugoslavia?