How do you simplify #t - 3 + 2(t + 2)#?

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Answer 1 · 2015-09-04T11:27:25

#=color(green)(3t +1 #

#t−3+color(green)((2))(t+2)#

Here #color(green)(2)# needs to be multiplied with both terms of the second bracket.

#=t−3+color(green)((2)) * (t) +color(green)((2))*(2)#

#=t−3+ 2t +4#

Combining like terms:

#=t+2t +4−3 #

#=color(green)(3t +1 #