elkaaaliyah elkaaaliyah

12-11-2018
Mathematics

contestada

3r + 2(12r + 7) ≤ 5r – 8

PLEASE HELP
I DON'T UNDERSTAND

Respuesta :

wickedpoppy17 wickedpoppy17

12-11-2018

3r+2(12r+7)<=5r-8 distribute by mult. 2 to everything in parenthesis

3r+24r+14<=5r-8 add 3r and 24 r

27r+14<=5r-8 subt 5r and subt 14

27r-5r<+-8-14

22r<+-22 divide by 22

22r/22<=-22/22

r<= -1

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