# Mathematics help needed with a complementary and supplementary angle problem

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### Question Description

4)The ratio of the measures of two supplementary angle is 4x-10/5x+1. Find the value of x.

Help me understand this

MercyK254
School: Rice University

4x-10/5x+1.

4x-10+5x+1= 180

supplementary angles equal 180 degrees

4x-10+5x+1= 180

9x-9= 180

9x= 189

x= 21

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Tutor went the extra mile to help me with this essay. Citations were a bit shaky but I appreciated how well he handled APA styles and how ok he was to change them even though I didnt specify. Got a B+ which is believable and acceptable.

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