How do you simplify #(12x+20) - (10x+2)#?

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Answer 1 · 2016-07-05T12:23:07

2x + 18

The first step is to remove the brackets.

hence : 12x + 20 -10x - 2

now collect 'like terms'

#color(red)(12x-10x)+color(blue)(20-2)=2x+18#

Answer 2 · 2016-07-05T12:23:31

#2x +18#

Remove the brackets first. Remember that the negative sign will change the signs in the second bracket.

#12x+20-10x-2 " collect like terms"#

#2x +18#