How do you simplify $3(15x-9y)+5(4y-x)$ ?

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Answer 1 · 2017-05-13T01:52:19

$40x-7y$

Begin by distributing the $3$ to $15x-9$ and distributing the $5$ to $4y-x$

$3(15x-9y)+5(4y-x) -> 45x-27y+20y-5x$

Simplify by combing like terms:

$color(blue)(45x)color(red)(-27y)color(red)(+20y)color(blue)(-5x)$

This results in our final answer:

$40x-7y$

How do you simplify 3(15x-9y)+5(4y-x)3(15x-9y)+5(4y-x)?