juiceej
juiceej
09-05-2018
Mathematics
contestada
Help please??????????
Respuesta :
gmany
gmany
14-05-2018
[tex](13x-13)+(7x-9)=18x+14\\\\13x-13+7x-9=18x+14\\\\20x-22=18x+14\ \ \ |+22\\\\20x=18x+36\ \ \ \ |-18x\\\\2x=36\ \ \ |:2\\\\x=18\\\\|PR|=18x+14[/tex]
substitute the value of x:
[tex]|PR|=18\cdot18+14=324+14=338[/tex]
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