Question

Evaluate A+4 when a=7

Answer 1

11

Explanation:

lest's substitute 7 for a

a + 4

= 7 + 4

= 11

Answer 2

a = 11

Explanation:

if A is 7 in the equation A + 4, the it could also be written as 7 + 4.

then it would just be simple addition, because you would add 7 + 4, which equals 11.

Hope this helps!