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

Joel earns $1,700 per month. If he spends $425 on rent each month, what percent of his income does he spend on rent? A. 20% B. 331/3% C. 40% D

What factors contributed to the success of the English colonies? the abundance of natural resources the discovery of gold the fertile soils its location near th

"extra units that are held in inventory to reduce stockouts are called __________."

Will give brainliest!!!! Is mass conserved when 200 g of water undergoes a physical change? Use complete sentences to support your answer by explaining how this

which one of the following statements are true for the base forms of verbs

Simplify. (4a^5b^6)^4 ^ means exponent 256a^20 b^24 256a^9 b^10 16a^9 b^10 16a^20 b^24

What is the area of this?

In the diagram, a building casts a 20-ft shadow and a flagpole casts a 7-ft shadow. If the flagpole is 12 ft tall, how high is the building? Round to the neares

The product of two prime numbers is one less than 12 squared. What are they two prime numbers?

Which of the following is a factor of the polynomial below