24-08-2017
Mathematics

contestada

What is the solution to 7(a-1)=7

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Missy62001 Missy62001

24-08-2017

I got a=2 after using distributive property

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angelliu11 angelliu11

24-08-2017

7(a-1)=7
7a-7=7
Add 7 on both sides
7a=14
Divide by 7 on both sides
A=2
Check your work-
7(a-1)=7
7(2-1)=7
14-7=7
7=7
A=2 is correct.
So the answer is A=2

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