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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