dtalya339
dtalya339 dtalya339
  • 13-04-2021
  • Mathematics
contestada

Algebraic Method #2: Solving by substitution 2x + 8y = 20 y = 2​

Respuesta :

kica226 kica226
  • 13-04-2021
2x+8y=20
2x+8•2=20
2x=20-16
2x=4
x=2
Check:
2•2+8•2=20
4+16=20
20=20
x=2 and y=2
Good luck.
Answer Link

Otras preguntas

If an object has 180 J of PE and a mass of .5kg, what is its height?
Which of these would be a focused topic for a personal narrative? a. volunteering at the children's home b. how making connections with kids is rewarding c.
i have troubles with math
Given f(x) = the quantity of x plus 4, divided by 6, solve for f−1(7).
Jimmy Carter has been Governor of Georgia, President of the United States, and an unofficial ambassador to the world. In 2002 he was awarded the Nobel Peace Pri
Cecilia's train travled at 240 miles in 3 hours. How far will it travel in 5.5 hours.
Toxicodendron rydbergii is the scientific name for western poison ivy. Toxicodendron radicans is the scientific name for eastern poison ivy. Which of the follow
1 sentence about art and folklore and Food
the primary cause of the first gulf war (1990-1991)was:
do the pairs (-5,-3),(-1,5),(-7,-7),(0,7)repeat linear functions ? and how ?