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For which value of x is line l parallel to line m?

For which value of x is line l parallel to line m?-example-1
User Danuta
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1 Answer

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The value of x when the lines are parallel is 30.

since they are parallel we can set 3x-20 equal to 2x+10

3x-20=2x+10
x-20=10
x=30
User Frank Modica
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