SOLUTION: Plese answer this one,plesee
7x+5y=9
4x+5y=6
solving thru addition method
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Question 331166: Plese answer this one,plesee
7x+5y=9
4x+5y=6
solving thru addition method
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
7x+5y=9
4x+5y=6
solving thru addition method
:
multiply the 2nd equation by -1
7x + 5y = 9
-4x - 5y = -6
-----------------Adding eliminates y, find x
3x = 3
x = 1
:
Find y using the 1st equation
7(1) + 5y = 9
5y = 9 - 7
y =
:
Check solution in 2nd equation
4(1) + 5() = 6
4 + 2 = 6
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