talayahproctor talayahproctor

03-09-2020
Mathematics

contestada

The sum of two numbers, x and y is 14. Twice the first number x and triple the second number y is 63. Find x and y.

Respuesta :

oscar236 oscar236

03-09-2020

Answer:

x = -21, y = 35.

Step-by-step explanation:

Use the elimination method:

x + y = 14

2x + 3y = 63

Multiply the first equation by -2:

-2x - 2y = -28

Add this to the second equation to eliminate x:

y = 35

So x + 35 = 14

x = 14 - 35

x = -21.

Answer Link

Otras preguntas

How does scientific notation make it easier to perform computations with very large or very small numbers

He will find my __gem

Give examples of how individuals can act as vulnerabilities, defenses, or threats to an information system

In their TV and radio advertisements, many car companies of the 1950s promoted

Matt needs to make $230 for a trip. He plans on selling 16 bags of snacks to raise money. The lowest acceptable price for him to sell these to make his goal is

Opsec?s most important characteristic is that:

Aggregate supply is best described as the total output of product. point of equilibrium. nation’s gross domestic product. excess supply in the market.

What was sciencs fiction and ideal genre for expressing fears that arose from the cold war?

4. Describe the number set(s) the number belongs to: −√17

Match the definition to the word ?? HELP PLS!!!