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

What is the greatest common factor of 30y^10 + 15y^6 + 5y^2? 30y^10 5y^2 y^2 5y^10

Which two statements describe how volcanic activity can affect Earth's crust? A) A volcano are most likely to form near the center of tectonic plates B) A volca

please help me with this

What is one difference between proadvisor discount and direct discount pricing, apart from who pays for the subscription?

IM IN NEED OF HELP ASAP!!

what is 15/56 in simplest form

what is the flag made of?

What is the domain of the piecewise function? A. x<0, x>4 B. -∞ 4 C. all real numbers

The creoles of south america believed they had a right to declare independence in 1808 because othe pope had excommunicated the spanish king. o france had freed

HELP PLEASE Can someone at lest help me with the 2nd question a) b) and c) PLEASE AND THANKYOU