Simplify 3(2 + c) -2(c-5)

Well, first you need to expand the brackets.

so, 3 x 2=6, 3 x c=3c
and, -2 x c= -2c, -2 x -5= 10 as a negative times a negative is a positive.

you should have this;

6+3c-2c+10

to simplify, do 3c-2c=c
6+10=16

16+c

(I think)

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