Seudónimo Seudónimo

25-09-2020
Mathematics

contestada

Find x if AC = -7+2x, BC =9, and AB = -27 + 3x

Respuesta :

thomassookoo thomassookoo

28-09-2020

Answer:

x = -4

Step-by-step explanation:

AB + BC = AC

-27 + 3 + 9 = -7 + 2x

-27 + 3 + 9 + 7 = 2x

-8 = 2x

x = -8/2

x = -4

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