humzaali10
humzaali10
04-01-2018
Mathematics
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angle question gcse maths
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choixongdong
choixongdong
04-01-2018
3x + 10 = 5 (x - 10)
3x + 10 = 5x - 50
2x = 60
x = 30
so
3x + 10 = 3(30) + 10 = 100
5 (x - 10) is also equal 100
y = 360 - 100 - 100 - 110
y = 360 - 310
y = 50
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