How do you simplify $-1/2(7z+4)+1/5(5z-16)$ ?

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Answer 1 · 2016-10-30T00:36:30

$(-5/2)z - 26/5$

To simplify this expression you must first expand the terms in the parenthesis:

$(-7/2)x - (4/2) + (5/5)z - (16/5)$

$(-7/2)z - 2 + z - (16/5)$

Then combine like terms by getting common denominators:

$(-7/2)z + (2/2)z - (10/5) - (16/5)$

$(-5/2)z - 26/5$

How do you simplify -1/2(7z+4)+1/5(5z-16)-1/2(7z+4)+1/5(5z-16)?