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OpenStudy (anonymous):
What is the value of the y variable in the solution to the following system of equations? 13x - 6y = 20 7x + 4y = 18
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OpenStudy (anonymous):
x = 20-6y/13 , x= 18-4y/7 comparing 20-6y/13 = 18-4y/7 140- 42y=234-28y -28y+42y=140-234 14y= -94 y =-94/14 y=-6.71
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