ally0221 ally0221

10-11-2017
Mathematics

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For what value of x is line a parallel to line b?

Enter your answer in the box.
x =

For what value of x is line a parallel to line b Enter your answer in the box x class=

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mathstudent55 mathstudent55

10-11-2017

The angles with measures 5x + 15 and 115 are corresponding angles.
For lines a and b to be parallel, those angles must be congruent.

5x + 15 = 115

5x = 100

x = 20

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nicpink nicpink

16-11-2017

5x+15=115
subtract 15 from both sides
5x=100
divide both sides by 5
x=20

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