jocelynpauta
jocelynpauta
17-07-2017
Mathematics
contestada
Help with this please fast
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choixongdong
choixongdong
17-07-2017
x+2=2y then x = 2y - 2
3x-3 = 5y +1
substitute x = 2y - 2 into 3x-3 = 5y +1
3x-3 = 5y +1
3(2y - 2) -3 = 5y +1
6y - 6 - 3 = 5y + 1
y = 10
x = 2y - 2
x = 2(10) - 2 = 18
x = 18 y = 10
answer C. x = 18 y = 10 (Third choice)
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