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2x 42 x 24
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2x - (42 - x) = 24
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Answer to a math question 2x - (42 - x) = 24
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Answers
$2x-42+x=24$
$3x-42=24$
$3x=24+42$
$3x=66$
$x=22$
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f(x)= 9-x^2 find (f(x+h)-f(x) )/h