Krackkon Krackkon

10-01-2017
Mathematics

contestada

What is the solution of the system?
{2x+y=15
{x−y=3

The lesson is Linear Combination with Multiplication if that helps.

Respuesta :

texaschic101 texaschic101

10-01-2017

2x + y = 15
x - y = 3
---------------add
3x = 18
x = 18/3
x = 6

x - y = 3
6 - y = 3
-y = 3 - 6
-y = -3
y = 3

solution is (6,3)

Answer Link

Otras preguntas

Using the solubility curve, what is the effect of increased temperature on the solubility of KBr in 100 grams of water?

A commercial for a new medication states that the medication can alleviate depression. "since depression is a chemical imbalance, new venlafaxine's extended rel

Solve the literal equation cy - 7 = 5d + 3y for y

Kaitlyn saves $6 each week. After correctly carrying out the Solve step of the five-step problem-solving plan, which solution should you arrive at to find the

What molecule is largely responsible for changes in the volume of a cell?

In 1838, stated that all plants are made of cells who made this statement

Visitors to the everglades can see the routes? What is the simple subject?

What is the measure of an exterior angle of a regular octagon? Make sure to show your calculation and formulas used for credit.

What are the 10 largest metropolitan areas in the united states?

A way of asking and answering questions about the physical universe is known as

Q&A Platform for Education Platform Explore for Education