Answer:
x=6
Step-by-step explanation:
h(x)=-20 is the same as saying y=-20, so you would substitute h(x) with -20 and solve the equation from there.
[tex]-20=-4x+4[/tex]
[tex]-4[/tex] [tex]-4[/tex]
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[tex]\frac{-24}{-4} =\frac{-4x}{-4}[/tex]
[tex]6=x[/tex]
