Question

What is the value of x?



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Answer 1

Vertical angles are equal

so

3x - 3 = 6(x - 10)

3x - 3 = 6x - 60

-3x = -57

x = 19

answer

x = 19

Answer 2

The 2 equations are vertical angles, which mean they would be the same.

Set the two equations to equal and solve for x.

3x-3 = 6(x-10)

First use the distributive property for the right side:

3x-3 = 6x-60

Add 3 to each side:

3x = 6x -57

Subtract 6x from each side:

-3x = -57

Divide both sides by -3

X = -57 / -3

X = 19