user7899 user7899
  • 02-11-2020
  • Mathematics
contestada

10 points
Given that in the solution of the system below the
value of x is 1, what is the value of a? *
4x + 3y = a
2x - y = 6

A. -20
B. -8
C. 16
D. 28

Respuesta :

emma0628
emma0628 emma0628
  • 02-11-2020

Answer:

A: -20

Step-by-step explanation:

first, you have to solve the second equation to get y, and y= -24, then you solve the first

Answer Link

Otras preguntas

how many types of information are the inthe biology?
who is elon musk......​
A 2-column table has 5 rows. The first column is labeled x with entries negative 2, negative 1, 0, 1, 2. The second column is labeled f (x) with entries 0.2, 0.
imagine you are a engineer designing a new cell phone. describe the criteria you would use, along with possible constraints and trade offs in the design process
Why we are using dozen for counting?
How did English emergence in Ghana
14. Martha y Raúl tomaron en conjunto 175 fotos, de éstas Raúl tomó 77, ¿cuál es la ecuación algebraica que permite conocer cuántas fotos tomó Martha?
Alvaro wants to become a programmer. What should he do?
9a - ab + 5bif a = 2 and b = 7​
why do you pronounce the j in jefe and juan differently? Is there some kind of rule for the letter j?