asked 67.4k views
3 votes
Twice a number (z) added to 21 is equal to 9 times the number added to 7. What is the number?

z=-4
z = -2
z= 2
z=4​

asked
User Sliver
by
8.1k points

1 Answer

13 votes
the correct answer is z=2
answered
User Brian Vandenberg
by
7.8k points

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