Answer:
-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
a = -4
(a + 2)/2 = - 1
a+2 = -1 * 2
a = - 2 - 2
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