helpmeplease1944
helpmeplease1944
12-10-2017
Mathematics
contestada
Help me please WITH NUMBER 7
Respuesta :
choixongdong
choixongdong
12-10-2017
7a)
x - 10 + x - 11 + 3x + 6 = 180
5x -15 = 180
5x = 195
x = 39
7b)
y = 3x + 6
y = 3(39) +6
y = 117 + 6
y = 123
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