coryintheswamp
coryintheswamp
14-02-2018
Mathematics
contestada
help me please asap :D
Respuesta :
PeytonBrainly
PeytonBrainly
14-02-2018
(a)
3x + 30 + x - 5 + 35 = 180
4x + 60 = 180
4x + 60(-60) = 180(-60)
4x = 120
4x/4 = 120/4
x = 30
(b)
x - 5
(30) - 5
25
3x + 30
3(30) + 30
90 + 30
120
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