How do you find the sum of #(x+3)# and #(-x-4)#?

Dec 4, 2016

#-1#

#color(blue)((x+3)+(-x-4)#

Remove the brackets

#rarrx+3-x-4#

Add the #x's#

#rarrcolor(red)(x)+3color(red)(-x)-4#

#rarr3-4#

#color(green)(rArr-1#

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