pinkbutterfly77
pinkbutterfly77 pinkbutterfly77
  • 11-10-2018
  • Mathematics
contestada

How do you solve this equation?

5-3z-18= z-1+ 8z

Thanks

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anonymous12345678901
anonymous12345678901 anonymous12345678901
  • 11-10-2018
5-3z-18=z-1+8z
Add like terms
-13-3z=9z-1
Move terms
-12z=12
Divide both sides by 12
z=1
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WavyAvy
WavyAvy WavyAvy
  • 11-10-2018
First, you have to combine like terms so -13-3z=9z-1 ; Then you have to do the variables so -13=12z-1 or -13-12z=-1 ; Next, you have to do the constant numbers so -12=12z or 12z=-12 ; Finally you divide so -12/12z = z=-1
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