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Help help help!!!!!!!!!!
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Help help help!!!!!!!!!!

Help help help!!!!!!!!!!-example-1
User Ander Acosta
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1 Answer

5 votes

Answer:

z = 6

Explanation:


4(z+1)=2(z-1)+18\qquad\text{use the distributive property}\\\\(4)(z)+(4)(1)=(2)(z)+(2)(-1)+18\\\\4z+4=2z-2+18\qquad\text{subtract 4 and}\ 2z\ \text{from both sides}\\\\4z-2z+4-4=2z-2z-2+18-4\qquad\text{combine like terms}\\\\2z=12\qquad\text{divide both sides by 2}\\\\z=6

User Tal Sahar
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