3 years ago

Solve for x..................

Mathematics

1 answer:

Yanka [14]3 years ago

4 0

Answer:

x = 4

Step-by-step explanation:

(5x+131)° and (5x+19)° are supplementary. Therefore, (5x+19)° + (5x+131)° equals to 180°.

Knowing that, we can do the following:

(5x+19) + (5x+131) = 180
5x + 19 + 5x + 131 = 180
10x + 140 = 180
10x = 40
x = 4

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