alexisfields02 alexisfields02

09-09-2020
Mathematics

contestada

If 2x + y = 10, and 3x - y = 0, then y = ?

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

09-09-2020

Answer:

y = 6

Step-by-step explanation:

2x + y = 10, and 3x - y = 0

We will use elimination

2x + y = 10

3x - y = 0

-----------------------

5x +0y = 10

5x = 10

Divide by 5

5x/5 = 10/5

x =2

3x - y = 0

3*2 -y = 0

6-y =0

Add y to each side

6 = y

Answer Link

Otras preguntas

Managers only use the cash flow statement to evaluate the net cash increase or decrease, and do not pay much attention to the details of cash flows from operati

Parenting skills help ASAP Babies are born with billions of brain cells. How many brain connections do babies have by the time they are three years old? Describ

If U = the set of odd natural numbers and B = {13, 15, 17, 19, 21, 23, . . .}, find B′.

Please explain the answer

Give a clear synopsis on how to use the unit circle.

Which of the following may use RNA as its genome? a bacterium an archaeon a virus a eukaryote

2: At a school store, each notebook has the same price and each pencil has the same price. Kate bought 5 notebooks for $4.50 and 12 pencils for $3.00 from t

how too simplify the problem 50÷5+3×4÷2-1

Predict the best choice in each of the following. You may wish to review the chapter on electronic structure for relevant examples. (a) the most metallic of the

"To inform my audience about the major theories explaining the extinction of the dinosaurs" is a specific purpose statement for a speech about a(n):