zurielkim69 zurielkim69

15-06-2022
Mathematics

contestada

x − y = 12
x + 2y = 21

Respuesta :

Medunno13 Medunno13

26-06-2022

Answer: x=15, y=3

Step-by-step explanation:

Subtracting the two equations, we get -3y=-9, meaning y=3.

Substituting this into the first equation, we get that x-3=12, and thus, x=15.

Answer Link

Otras preguntas

place value= face value×________

Which value of x makes the equation 24 x + 16 = − 2 ( 6 x − 8 ) true?

An electrician earns $110 after his first hour of working for a client. His total pay based on the number of hours worked can be represented using the sequence

4. 3.7 cm 4.5 cm 2.2 cm V=

Milauskasville Middle School's Crazy Hair Club sold tickets to it's "Hair Today, Gone Tomorrow" talent show. A total of 55 tickets were sold in the amount of $1

3. What problems did the Stuarts encounter upon restoration of the monarchy?

A P 3 X -English III Sem 2-Exam 5.1.2 Exam: wrap up(answers)50 out of 50 points

I am a combination of strength and speed, What am I? Muscular Endurance Flexibility Power Body Composition

please help me!! Best one gets brailiest!

Please help me, I do not understand this.