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dolphi86 [110]
4 years ago
7

How do you solve this equation? 5-3z-18= z-1+ 8z Thanks

Mathematics
2 answers:
marshall27 [118]4 years ago
7 0
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
rodikova [14]4 years ago
3 0
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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