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ยท         Explain and provide an example of the method used to solve a linear inequality in two variables. 

Jun 25th, 2015

Thank you for the opportunity to help you with your question!

ok for exemple if we have this : 

x + 2y = 1 

3x - y = 2 

so :  we take the first equation :  x + 2y = 1  so x = 1 - 2y so we take the value of x and we put it on the second equation  like : 

3(1 - 2y) - y = 2  so :   3 - 6y - y = 2  so :   - 7y = -1 so :  y = 1/7 

so we put the value of y on the first equation :  x + 2y = 1 

so :  x + 2(1/7) = 2 so :  x = 2 - 2/7  

so :  x = 12/7

tel me if this exemple make you undestand or not ???

Good Luck   

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 25th, 2015

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