alextorresdr
alextorresdr
22-02-2018
Mathematics
contestada
i need help on this one :)
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PeytonBrainly
PeytonBrainly
22-02-2018
3x + 60 ° = 180
3x + 60 (-60) = 180 - 60
3x = 120
3x/3 = 120/3
x = 40
Check:
3x + 60 = 180
3(40) + 60 = 180
120 + 60 = 180
The answer is: x = 40
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