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Find the value of x please. choices are.. 16 19 18 15
66.3k views
1 vote
Find the value of x please.

choices are..
16
19
18
15

Find the value of x please. choices are.. 16 19 18 15-example-1
User Rob Kam
by
7.4k points

2 Answers

1 vote

Answer:

x = 19

Explanation:

Angle on a straight line add up to 180

123 + 3x = 180

3x = 180 - 123

3x = 57

3x/3 = 57/3

x = 19

User Redshift
by
8.7k points
6 votes

Answer:

We have supplementary angles.

123 + 3x = 180

3x = 57

x = 19

User Remoo
by
8.2k points
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