mjury011
mjury011 mjury011
  • 14-09-2018
  • Mathematics
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6z+4-8+2z<-20 solve for z

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Аноним Аноним
  • 14-09-2018

Sum like terms in the left hand side:

[tex] 8z - 4 < -20 [/tex]

Add 4 to both sides:

[tex] 8z < -16 [/tex]

Divide both sides by 8. Since 8 is positive, you don't have to switch the inequality sign:

[tex] z < -2 [/tex]

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