SOLUTION: May you help me with this problem:
3x+7y=6
2x+9y=4
The instructions are to use linear combinations to solve the linear system.
Then check your solution. Thank you for time.
Algebra.Com
Question 402823: May you help me with this problem:
3x+7y=6
2x+9y=4
The instructions are to use linear combinations to solve the linear system.
Then check your solution. Thank you for time.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Do it like this one.
------------
3j+5k=19
j-2k=-1
------------
Multiply the 2nd eqn by 3 to make the coefficients equal
3j+5k=19
3j-6k=-3
---------- Subtract
-k = 22
k = 22
-------
j - 2k = -1
j -44 = -1
j = 43
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