21tykawa 21tykawa

08-07-2019
Mathematics

contestada

Subtract the second equation from the first.

6x+5y=16
(6x+2y=10)
-
------------------------

A. 12x = 26
B. 3y = 6
C. –12x = 6
D. 7y = 26

Respuesta :

sqdancefan sqdancefan

08-07-2019

Answer:

B. 3y = 6

Step-by-step explanation:

(6x +5y) -(6x +2y) = (16) -(10)

6x +5y -6x -2y = 6 . . . eliminate parentheses

(6-6)x +(5-2)y = 6 . . . . add like terms

3y = 6 . . . . . . . . . . . simplify

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