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

Which sentence uses correct capitalization? A. In Winter, the sun sometimes sets as early as 4:30 p.m.! B. Fred wants to go to Ocean city or Virginia beach.

What does the line y=3x-7 look like?

32 is what percent of 160

4,650 Rounded to the hunred

How is this excerpt from Walden by Henry David Thoreau representative of romantic ideals? "This is a delicious evening, when the whole body is one sense, and im

A rectangle has an area of x square units. The rectangle is dilated to create a new rectangle with an area of 9x square units. Describe the change in the dimens

Before World War II, many African countries were ruled by a handful of European nations. How did many of the colonies achieve independence in the decades follow

Municipal bodies are created by

it is 10 3\5 miles from Alston to Barton and 12 1/2 from Barton to Chester.the distance from Alston to Durban,via BARTON and Chester,is 35 miles.how far is it f

which state is due north of pennsylvania PLEASE HELP ME