vividonsarms
vividonsarms vividonsarms
  • 08-06-2021
  • Mathematics
contestada

3. Solve the system of equations without graphing. Show your reasoning.
ſ 2y = x - 4
4x + 3y = 5

Respuesta :

drmallery drmallery
  • 08-06-2021

Answer:

X=2, y=-1

Step-by-step explanation:

2y=x-4 equation 1

4x+3y=5 equation 2

x=2y+4 isolate x in equation 1

4(2y+4)+3y=5 substitute value of x from equation 1 into equation 2

8y+16+3y=5

11y=-11

y=-1

solve for x by inputting y value into either equation

2y=x-4

2(-1)=x-4

-2=x-4

2=x

Answer Link

Otras preguntas

need help with these questions
someone answer this for me im sure its easy
please answer Classifying Unfamiliar Substances (Chemical names): Questions to be asking 1. Is it on the Periodic table? a.Yes – Then its an element b. No –
An auto repair shop charges $36 per hour, plus the cost of replaced parts. Which of the following expressions can be used to calculate the total cost of repairi
If you are to start your own company/business, what would it be and what products can you offer to the consumers? List down three (3) reasons why they should bu
Your best friend Anita is about to turn 15. Write out an invitation to her birthday party. (La quinceañera)
pick an expression with faire and form a sentence make sure you use 1 expression subject pronoun​
What was the role of the committee of five during the revolutionary war?
Find the x-intercept and the y-intercept from the following linear equation: 4x + 8y = 64 x-intercept ([?], [ ] y-intercept ([ ], [ ])
Please help me!!!!!!
good job