anagarcia020706
anagarcia020706 anagarcia020706
  • 12-02-2020
  • Mathematics
contestada

2x + y= 3, 4x + 4y= 8 use substitution to solve the systems of equations

Respuesta :

mehronaakhmodova2006
mehronaakhmodova2006 mehronaakhmodova2006
  • 13-02-2020

Step-by-step explanation:

y=3-2x

4x+4×3-2x=8

4x-2x=8-12

2x=-4

x=-2

Answer Link

Otras preguntas

Somebody, please help me it's URGENT
Hi ! Can someone answer me this question please? A scientist uses 2 gallons of liquid for every 7 hours he works. He uses ____ of a gallon each hour he works.
A box contains 4 bags of sugar. the total mass of all 4 bags is 6 kg what is the mass of each bag in grams ​
Crisette lives miles from the school. She rode her bike of the way and stopped to get ice cream. How far did Crisette ride to get ice cream?
Question 4 0 A two-sample t-test for a difference in means was conducted to investigate whether defensive players on a football team can bench-press more weight
What economic effect did the outbreak of World War II have on the United States? (17A) A. It threw millions of people out of work B. It helped to end the Great
you've been working for a while, but your sister just got a job and is excited to have some of her "own" spending money. Money burns a hole in her pocket. What
It took 50 joulss to push a char 5 meters across the floor. With what force was the chair pushed?​
A smartphone costs $250. Sales tax is 5%. What is the total cost, including tax?
Don’t mind the check mark