How do you simplify $7 + 10 x - x + (- x)$ $7+10x-x+(-x)$ ?

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Answer 1 · 2018-05-06T08:18:47

$7 + 8 x$ $7+8x$

$7 + 10 x - x + (- x)$ $7+10x-x+(-x)$
= $7 + 10 x - x - x$ $7+10x-x-x$ (expand the brackets)
= $7 + 8 x$ $7+8x$

How do you simplify 7+10x-x+(-x)7+10x−x+(−x)7+10x-x+(-x)?