Answer:
The value of x is -24 when h(x)=0.
Explanation:
h(x)=1/2x+12
h(x)=0
-----------------------
1/2x+12=0
1/2x=0-12
1/2x=-12
x=-12/(1/2)
x=(-12/1)(2/1)
x=-24/1
x=-24
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