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What is this and how do i solve
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What is this and how do i solve

What is this and how do i solve-example-1
User Nevus
by
5.1k points

1 Answer

3 votes

Answer:

x = 20

Explanation:

The angles 7x° and (x + 20)° are supplementary angles.

Supplementary angles add up to 180°.

Therefore we have the equation:

7x + (x + 20) = 180

7x + x + 20 = 180 subtract 20 from both sides

8x = 160 divide both sides by 8

x = 20

User Light Souls
by
4.9k points
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