(5x + 69) (15x – 29) Find the values of x and z

Alexisrozhkov asked Aug 3, 2022

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26 votes

(5x + 69)
(15x – 29)

Find the values of x and z

Alexisrozhkov asked Aug 3, 2022

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20 votes

Explanation:

due to the rules of crossing lines, z = 5x + 69

and all angles on one side of a line sum up to 180 degrees.

so,

5x + 69 + 15x - 29 = 180

20x + 40 = 180

x + 2 = 9

x = 7

z = 5x + 69 = 5×7 + 69 = 35 + 69 = 104 degrees

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