kani51
kani51 kani51
  • 04-03-2020
  • Mathematics
contestada

Use substitution to solve the system

2y - 8 = x

2x + 3y = -2

Respuesta :

dannielle
dannielle dannielle
  • 04-03-2020

Answer:

x=2y-8

We use the substitution of x in the second equation

2*(2y-8)+3y= -2

4y-16+3y=-2

7y-16= -2

7y= -2 +16

7y=14

y=14Ș7

y=2

so x= 2*2 -8

    x=4-8

    x=-4

the solution is  (x,y)=(-4, 2)

Step-by-step explanation:

Answer Link

Otras preguntas

Please hurry. Describe the primary environmental challenges facing Latin America in the early 21st century. Please hurry
President Franklin D. Roosevelt's "Four Freedoms" speech was given to congress on January 6, 1941. In this speech, Roosevelt stated that all people in the world
Can u please help me with this math assignment
Find the LCM of 8 and 12. 4 96 24 48
Factor: 10ab-6b+35a-21
if a 50 N force pulls on a 10 kg object,how much acceleration will occur?
The weight of an African elephant is 6 × 106 grams; the weight of a tiger is 3 × 105 grams. How many times heavier is the elephant than the tiger? 2 grams 20
Which of the following are point-slope equations of the line going through (-4, -7) and (3, 2)? Check all that apply
The two triangles below are similar. Find the value of x.
I need help with homework help me please.