abigailviquez15 abigailviquez15

25-02-2018
Mathematics

contestada

Determine the value of x in the system of equations.

3x + 2y = 25 6x - y = 40

Select one:
A. 7
B. 8
C. 9
D. 10

Respuesta :

MahdiNaseri MahdiNaseri

25-02-2018

3x + 2y =25
(6x - y = 40)2

3× + 2y = 25
12x -2y = 80
Add them

15x = 105
X = 7

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