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For what value of x is c parallel to d?

For what value of x is c parallel to d?-example-1

2 Answers

2 votes
21

2x = x + 21
2x - x = x + 21 - x
x = 21
User Mobilewits
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4 votes


\bold\red{x+21°=2x}


\bold\red{2x-x=21}


\bold\blue{X=21°}

For what value of x is c parallel to d?-example-1
User Paolo Moretti
by
4.7k points