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 statements describing how Renaissance ideas spread beyond Italy are true?Choose all answers that are correct. A. Pilgrims on their way to the Holy Land of
what is the importance of prehistory
What is a Real number between the square root of 13 and 14?
where is DNA located ? In the chromosome or in nucleus?
what is the transcontinental railrod
which group in american society might have opposed progressive reform? Explain
The Alternative for the Americas agreement of the early 2000s is primarily aimed at A. inviting foreign investment from Asia. B. improving ties with the Europea
Which best describes the way photographs are considered by historians? A)primary source documents that are useful in the study of history B)reliable sources for
The challenge in applying utilitarianism is that (Points : 1) it cannot distinguish among different kinds of pleasures. it is difficult to calculate the various
Which of the following is the best statement? A. Descriptions can be either objective or subjective, as long as they are detailed. B. Descriptions should be po