jayleighharmon
jayleighharmon
20-04-2018
Mathematics
contestada
What is the value of AB?
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choixongdong
choixongdong
20-04-2018
(-3x + 29) / 4= (-7x + 46)/5
cross multiply
5(-3x + 29) = 4(-7x + 46)
-15x + 145 = -28x + 184
13x = 39
x = 3
AB = -3(3) + 29 = - 9 + 29
AB = 20
answer
20
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