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How do you solve #x/5=y+4# for y?

Answer 1

Eli Assouline

#color(blue)(y = (x - 20 ) / 5 #

#x / 5 = y + 4 #

#x / 5 = color(blue)(y) + 4 #

#x / 5 - 4 = color(blue)(y) #

#color(blue)(y) = x / 5 - 4 #

#color(blue)(y) = x / 5 - 20 / 5 #

#color(blue)(y = (x - 20 ) / 5 #

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Answer 2

Eva Adamson

To solve for ( y ):

[ y = \frac{x}{5} - 4 ]

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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