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22-08-2020
Mathematics

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22-08-2020

Answer:

x = 90

Step-by-step explanation:

We use the Definition of Corresponding Angles to help us solve for x:

∠1 = ∠4

Step 1: Write out equation

3x - 160 = x + 20

Step 2: Solve for x

2x - 160 = 20

2x = 180

x = 90

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