Posted by Rusty on Tuesday, October 16, 2007 at 3:32pm.
3Z+6Z+7=29-4
9Z + 7 = 25
9Z = 25 - 7
9Z = 18
Z = ?
If you post your answer, we'll be glad to check it for you.
Answer: Z2 Thank you
Z = 2
Ms Sue, Thank you very much. I hope you can help with another problem. I get mixed up on changing the plus and minus.
4a+17=a-13. I do know that the second
a is a 1.
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