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Whats the value of z 2(5-2z)=20-2(z-1)
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3 votes
Whats the value of z
2(5-2z)=20-2(z-1)

User Kirk Liemohn
by
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1 Answer

4 votes
answer: z=-6
.
.
2(5-2z) = 20-2(z-1)
10-4z=20-2z+2
....-4..........-4
10=2z+22
-22 ....-22

2z=-12
÷2 ÷2

z=-6
User Aditi K
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4.7k points
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