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artcher [175]
4 years ago
9

A+a+3=a+13 solve the equation​

Mathematics
1 answer:
mart [117]4 years ago
3 0
A+a+3=a+13
2a+3=a+13
From here you want the variables on the same side, so you would subtract the a from a+13 and move it to 2a+3
2a+3=a+13
-a -a
a+3=13
Now you want the numbers on the same side
a+3=13
-3 -3
a=10
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34.5 feet of material for 3 hat and scarf sets.

Step-by-step explanation:

First, we need to convert all measurements to the same unit: foot. (Because the answer is requested in foot)

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