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Yakvenalex [24]
4 years ago
10

What is the value of x

Mathematics
1 answer:
Delicious77 [7]4 years ago
6 0
Using the Vertical Angle Theorem 4x + 7 is equal to 5(x - 4).

Solve for x.

4x + 7 = 5(x - 4)
4x + 7 = 5x - 20 <-- Distribute the 5
4x = 5x - 13 <-- Subtract 7 from each side
-x = -13 <-- Subtract 5x from each side
x = 13 <-- Divide both sides by -1

So, x is equal to 13.
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