help please?

User Generated

rzreltbzrm

Mathematics

Description

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Explanation & Answer

7+14=180     because 8 and 14 are congruent and 7 and 8 are supplementary

so: substitute: 5x-4+8x-11=180

13x-15=180

13x=195

x=15


Anonymous
Just what I was looking for! Super helpful.

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