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What is the value of AB?

What is the value of AB?
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5 votes
What is the value of AB?

What is the value of AB?-example-1
User Irvin Dua
by
8.1k points

1 Answer

4 votes
(-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

User Eric Klaus
by
8.7k points
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