Posted by crystine on Sunday, September 11, 2011 at 2:28pm.
i need help solving the problem
3x+y=1
2x+3y=18
using substitution

Algebra 2  Ms. Sue, Sunday, September 11, 2011 at 2:37pm
3x+y=1
y = 1 3x
2x+3y=18
2x + 3(13x) = 18
2x  3  9x = 18
7x = 21
x = 3
Substitute 3 for x in the first problem to find the value of y.

Algebra 2  sukhi, Wednesday, September 14, 2011 at 9:10pm
matrix[2x,0
4,y]=matrix[4,0
4,1]
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