meeee54561 meeee54561
  • 05-03-2021
  • Mathematics
contestada

x + 2y = 10
-6x + 5y = -9
- what is the solution using substitution

Respuesta :

kica226 kica226
  • 05-03-2021
X+2Y=10
X=10-2Y

-6X+5Y= -9
-6(10-2Y)+5Y= -9
-60+12Y+5Y= -9
17Y= -9+60
17Y=51
Y=3

X=10-2Y
X=10-2•3
X=10-6
X=4
Answer Link

Otras preguntas

Which ruled constantinople for 50 years during the early 1200s?
why does ruskin say england must found colonies "as fast and far as she is able"
Subtract. 86.2 – 5.35 =
What is a common response for managing heat cramps, heat exhaustion, and heat stroke? Discussing with teammates how it happened Resting in a cool area while
Which sentence is in passive voice?A.everyone wished Joe a very happy birthday.B.madison was chosen by her teacher to represent her class.c.ben bought tickets
How did some American politicians justify U.S. imperialism at the end of the 19th century?
Trenton collects a sample of moist air. One of these factors is unrelated to the amount water vapor in his sample. Which factor is it? a.pressure b.temperature
what is the gap between the proteins called
The annual rainfall for kaysron falls was 50.38 inches in 2012. In 2013, the annual rainfall was 55.76 inches. What is the difference in rainfall between the tw
A grocery bag containing 4 potatoes weighs 2 pounds. An identical bag that contains 12 potatoes weighs 4 pounds. Write an equation in standard form that shows t