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05-05-2021
Mathematics

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lunathemoonchild13 lunathemoonchild13

05-05-2021

The total degree of a straight line is 180 degrees. This means that these two degrees added together make 180 degrees.

(5x + 20) + (3x) = 180

Combine like terms

8x + 20 = 180

Subtract 20 on each side

8x = 160

Divide by 8

x = 20 degrees

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