tikitapeagler1 tikitapeagler1
  • 10-11-2016
  • Mathematics
contestada

Solve by Substitution:

3x - y = 4
y = 6 - 2x

Respuesta :

Mehek
Mehek Mehek
  • 10-11-2016
Substitute 6 - 2x for y in the first equation

3x - (6 - 2x) = 4

5x - 6 = 4

5x = 10

x = 2

Plug 5 for x in either equations (I'll use the second equation)

y = 6 - 2 * 2

y = 6 - 4

y = 2

(2,2) is the solution.
Answer Link

Otras preguntas

hi, I need to send you a screenshot​
Tina, Jack, and Jade were just about to deliver a presentation together. Tina said, "Remember to emphasize our need for a larger budget." Jack replied, "No, I t
Discuss the black woman as a negritude poem​
All of the factory workers in a steel mill either purchased their breakfast in the company cafeteria, or brought their breakfast from home on Wednesday. • 26% o
This is for today someone help me pls pls !!!!!!!!
You have been hired as a field assistant for a researcher interested in the evolution of flower characteristics in orchids. Complete an experiment that determin
Pick ALL the correct answer choices. A) The Constitution establishes a federal system of government. B) The division of state and federal powers is explained in
someone to help ? german
What are the laws Newton is famous for?
Is anyone on here a veterinarian or going to college too be one?