melissa1210
melissa1210
30-11-2017
Mathematics
contestada
How to find the value of y
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choixongdong
choixongdong
30-11-2017
7x - 28 = 5x + 12
2x = 40
x = 20
5x + 12 = 5(20) + 12 = 112
y = 180 - 112
y = 68
answer
y = 68
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