helpmeplease1944 helpmeplease1944

12-10-2017
Mathematics

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ASAP HELP FOR NUMBER 12, Thank you so much!!! :)

ASAP HELP FOR NUMBER 12 Thank you so much class=

Respuesta :

choixongdong choixongdong

12-10-2017

12a)
5x + 45 + 3x - 25 = 180
8x + 20 = 180
8x = 160
x = 20

12b)
2x - 5 = 2(20) - 5 = 40 - 5 = 35
3x - 25 = 3(20) - 25 = 60 - 25 = 35

y = 180 - (35+35)
y = 180 - 70
y = 110

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