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.

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