I need help with Math pleaseeee
Given that f(x)=4X-12, what was the input for the function so that f(x)=8?
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f(x) = f(x) Reflexive property
4x -12 = 8 Substitute the two values of f(x) that you know
4x = 20 Add 12 to each side
x = 5 Divide each side by 4