jjjjj303
jjjjj303
09-11-2018
Mathematics
contestada
what is 3x-20+x=180 in steps
Respuesta :
yuzaza8
yuzaza8
09-11-2018
3x-20+x=180
4x-20=180
4x-20+20=180+20
4x=200
x=50
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