2 answers:
Answer:
a = 4
Step-by-step explanation:
2a + 7 = 15
- 7 - 7
2a = 8
/2 /2
a = 4
Hope this helps!
Answer:
a=4
Step-by-step explanation:
We need to find a way to get (a) alone on one side.
first, we will subtract 7 from 15 to get 8.
Next, We will divide 8 by 2. to get 4
your work should look like this.
2a+7=15
2a=15-7
2a=8
a=8/2
a=4
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Step-by-step explanation:
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x - x + 9 = -15x -x = 1
9 - 1 = -16x
8 = 16x
8/16 = 16/16x
1/2 = x
Hope this helps
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Step-by-step explanation:
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