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

equation for the points (3,8) (2,6) on slope
popular sovereignty refers to rule by?A) The elite. B) Populists C) Sovereigns D) The people
reily adds 45.3 and 3.21.should his sum be greater than or less than 48?Tell how you know.
During a black Friday sale, Alberto paid 158.00 for a cell phone that was reduced by 30%. What was the original price of the smart phone? Please explain how to
Would you rather believe in Greek gods or Roman gods? Why?
what is 12x+9y= 15 on a graph?
What impression of Macbeth does this passage give? a. Macbeth is merciless and disloyal to his king and fellow soldiers. b. Macbeth is ambitious and will do any
Don Quixote de la Mancha was written by El Greco during Spain's golden age. a. True b. False
what were the three things japanese borrowed from korea and chine
Why does amy wu feel unwelcome in chinatown?