Answer:
a = 4
Step-by-step explanation:
2a + 7 = 15
- 7 - 7
2a = 8
/2 /2
Hope this helps!
a=4
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=152a=15-72a=8a=8/2a=4
