9x + 3 = 7x +19
2x + 3 = 19
2x = 16
x = 8
So, x (8) is the number of chairs in each row with these setups.
Plug 8 into one of the equations and you will find how many chairs total there are.
9(8) + 3 = 75
There are 75 chairs total
I think it is asking for the answer, therefore it would be AB = 10.7
Answer:
5/7
Step-by-step explanation:
Step-by-step explanation:
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