SOLUTION: please help me solve using subsititution method
7x+5y=10
x=31-4y
*solution is ordered pair*
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Question 223052: please help me solve using subsititution method
7x+5y=10
x=31-4y
*solution is ordered pair*
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
7x+5y=10
x=31-4y
-------------
7(31-4y)+5y=10
217-28y+5y=10
-23y=-207
y=9
----------------
x=31-4(9)
x=31-36
x=-5
---------------
(-5,9)
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