25-10-2014
Mathematics

contestada

Is 6z-15 is greater than or less than 4z+11 solvable?

Respuesta :

konrad509 konrad509

25-10-2014

[tex]6z-15>4z+11\\ 2z>26\\ z>13\\\\ 6z-15<4z+11\\ 2z<26\\ z<13 [/tex]

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mariamikayla mariamikayla

25-10-2014

[tex]6z -15 \geq 4z+11 \\\\ 6z-4z \geq 11+15 \\\\ 2z \geq 26 \ |:2 \\\\ z \geq 13 \\\\ \boxed{x=[13;\infty)}[/tex]

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