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how do you solve system of equations using substitution?
emmerzzzz
Aug 25, 2014, 04:27 PM
2x+3y=5
x-5y=9
pready
Aug 25, 2014, 05:38 PM
First use X - 5Y = 9
X = 5Y + 9
Now put 5Y + 9 in place of the X in the other equation; now
2(5Y + 9) + 3Y = 5
Now solve for Y.
When you get your answer for Y you can solve for X.