Question

2a +7= 15 answer please

Answer 1

a=4

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

Answer 2

a = 4

Explanation:

2a + 7 = 15

- 7 - 7

2a = 8

/2 /2

a = 4

Hope this helps!