jjaydon7 jjaydon7

02-12-2019
Chemistry

contestada

Which of the following expressions is equivalent
to 7x + 9y - 6 - 3y + 4?
A 7x + 4y
B 11xy
C 7x + 6y - 2
D. 7X+4

Respuesta :

azenethmercado azenethmercado

03-12-2019

Answer:

C

Explanation:

All that is needed to do is combine like terms. The sign in front of each term stays with it. Like +9y-3y=6y, 7x would isolate itself since it has not other term to follow. And -6+4=-2. This would all lead to C. 7x+6y-2.

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