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Can someone help me solve for x I don’t get it?

Can someone help me solve for x I don’t get it?-example-1
User Jmetz
by
5.0k points

1 Answer

4 votes

Answer:

10) x=90

9) x=20

Explanation:

x+2x=180

3x=180

divide 180 by 3x=90

straight lines add up to 180 degrees.

9) x+8x=180

9x=180, thus 20.

User ShooTerKo
by
6.3k points