ril3y95 ril3y95

23-11-2021
Mathematics

contestada

12. What value of a makes the equation true?
7a + 6 = -5(a -6)
A.-3
B. 3
C.0
D.2

Respuesta :

thyanh91206 thyanh91206

23-11-2021

Answer:

D

Step-by-step explanation:

7a + 6 = -5(a -6)

<=> 7a + 6 = - 5a + 30

<=> 7a + 5a = 30 - 6

<=> 12a = 24

<=> a = 2

=> Answer is D

Hope this helps!

Answer Link

23-11-2021

Answer:

a=2

Step-by-step explanation:

1. distribute the -5 to (a-6): 7a + 6 = -5a + 30

2. add 5a to both sides, and subtract 6 on both sides: 12a = 24

3. divide by 12: a = 2

Answer Link

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