Question

Evaluate 11x-4 when x=_4

Answer 1

Just substitute 4 for x in 11x-4:  11(4)-4 = 44-4 = 40 (answer)

Answer 2

I'm not sure if that's x=4 or x= -4, but I'll solve both.
x=4:
11(4) - 4 = 44 - 4 = 40
x = -4:
11(-4) - 4 = -44 -4 = -48
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