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Solve for x. Make sure to show all your work.
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3 votes
Solve for x. Make sure to show all your work.

Solve for x. Make sure to show all your work.-example-1
User Gyrolf
by
7.2k points

2 Answers

5 votes
These two angles should sum to 180 since they form a line. So 6x+3+3x+15=180. 9x=162. x=18.
User BrettAHale
by
7.6k points
7 votes

Answer:

x=18

Explanation:

(6x+3)+(3x+15)=180

(6x+3x)+(3+15)=180

9x+18=180

-18 -18

9x=162

162/9

x=18

User BraveNewMath
by
6.6k points
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