Question

Find the value of x. (5x-40) (5x)

the first equation is inside the triangle at the bottom left but "5x" is at the bottom right on the outside of the triangle.

Answer 1

The value of x is 22

How to solve for x?

Based on the description in the question,

The angles 5x -40 and 5x are angles on a straight line

So, we have:

5x - 40 + 5x = 180

Evaluate the like terms

10x = 220

Divide by 10

x = 22

Hence, the value of x is 22

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