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Plzzz help I don’t have a lot of time

Plzzz help I don’t have a lot of time-example-1

1 Answer

4 votes

Answer:

7

Explanation:

It’s a right angle, so you can add the two expressions togther to get 90, then isolate x.

(8r-6)+(5r+5)=90

13r-1=90 (combine like terms)

13r-1+1=90+1 (add 1, addition property of equality)

13r=91

13r/13=91/13

r=7

User Tyler Szabo
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