Question

I need help with this problem

Answer 1

-2.5

Explanation:

soo your objective is to make a alone

first remove the denominator

a+2 / 2 = -1

a + 2 = -1/2

now minus 2 to both sides

a = -1/2 - 2

a = -2 1/2

Answer 2

a = -4

Explanation:

(a + 2)/2 = - 1

a+2 = -1 * 2

a = - 2 - 2

a = -4