Homework Help: algebra 1b

Posted by dillon on Thursday, January 24, 2008 at 4:24pm.

Solve each system using substitution. check your solution.

a = 2/3b -3

a = 2b - 18

c = 3d -27

4d + 10c = 120

algebra 1b - Damon, Thursday, January 24, 2008 at 4:47pm
Ah, sometimes we do not see a question immediately. Also I am wondering what you have done so far yourself.
algebra 1b - Miley, Thursday, January 24, 2008 at 4:47pm
to find d you have to plug c = 3d -27 into 4d + 10c = 120. then maybe to find a you have to make 2/3b -3 =2b - 18. Not sure if that's right.
- algebra 1b - Anonymous, Wednesday, February 13, 2008 at 1:09am
  2 +2
algebra 1b - Damon, Thursday, January 24, 2008 at 4:57pm
Sure Miley, those will work. However I told him that when he posted them earlier.
algebra 1b - mercedes, Thursday, September 18, 2008 at 12:09am
2
-
6

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