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Solve the inequation: begin mathsize 12px style 2 straight y space minus space 3 less or equal than straight y space plus space 1 less or equal than 4 straight y space thin space plus space 7 comma space space space space straight y space element of straight R end style

Asked by Topperlearning User 8th September 2017, 9:15 AM
Answered by Expert
Answer:

begin mathsize 12px style 2 straight y minus 3 space less or equal than space straight y plus 1 space less or equal than space 4 straight y plus 7 space comma space straight y element of straight R
2 straight y minus 3 space less or equal than space straight y plus 1 space and space space straight y plus 1 space less or equal than space 4 straight y plus 7 space
2 straight y minus straight y space less or equal than space 1 plus 3 space and space space straight y minus 4 straight y space less or equal than 7 minus 1
straight y space less or equal than space 4 space space space space space space space space space space space space space space space space space and space space minus 3 straight y space less or equal than space 6
straight y space less or equal than space 4 space space space space space space space space space space space space space space space space space and space space space straight y greater or equal than space minus 2
Solution space set space equals space open curly brackets straight y space colon space straight y element of straight R space and space minus 2 space less or equal than space straight y less or equal than space 4 close curly brackets
end style

Answered by Expert 8th September 2017, 11:15 AM
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