How do you simplify $(3x+1/2)+(7x-4 1/2)$ ?

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Answer 1 · 2016-11-17T16:17:05

$10x-4$

The brackets are not necessary at all because they are being added.

$3x+1/2+7x-4 1/2" "larr$ re-arrange the terms

$=3x+7x + 1/2 -4 1/2" "larr (+1/2 -1/2 =0)$

$= 10x-4$

How do you simplify (3x+1/2)+(7x-4 1/2)(3x+1/2)+(7x-4 1/2)?