icey2329 icey2329

14-11-2018
Mathematics

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points a,b and c are collinear and in that order. If AC=3x+3, AB=-1+2x, and Bc=11, find x and AC

Respuesta :

yves379 yves379

19-11-2018

The answers are:

AC = AB + BC

3x+3 = -1+2x+11

3x-2x = -1-3+11

x = 7

AC = 3x+3 x = 7

AC = 3x7+3

AC = 24

Hope it helps!

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