Homework Help: Algerbra 1 substitution method

Posted by Austin on Tuesday, January 31, 2012 at 10:32pm.

im really confused about this question:

2x-3y=21 y=3-x

using substitution method. please help

Algerbra 1 substitution method - PsyDAG, Tuesday, January 31, 2012 at 10:46pm
2x - 3(3-x) = 21

Solve for x, then y.
Algerbra 1 substitution method - Hunter, Thursday, February 2, 2012 at 6:24pm
2x+y=3
x+2y=0
Algerbra 1 substitution method - Hunter, Thursday, February 2, 2012 at 6:25pm
2x+y=3
x+2y=0
Algerbra 1 substitution method - Nadia, Thursday, February 9, 2012 at 7:52pm
X=2 Y=-1
(2,-1)
Algerbra 1 substitution method - Nadia, Thursday, February 9, 2012 at 7:52pm
X=2 Y=-1
(2,-1)

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