SOLUTION: USE METHOD OF SUBSTITUTION TO SOLVE SYSTEM OF LINEAR EQUATION 7X+5Y=7/6 Y=6X-1
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-> SOLUTION: USE METHOD OF SUBSTITUTION TO SOLVE SYSTEM OF LINEAR EQUATION 7X+5Y=7/6 Y=6X-1
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Question 601366
:
USE METHOD OF SUBSTITUTION TO SOLVE SYSTEM OF LINEAR EQUATION
7X+5Y=7/6
Y=6X-1
Answer by
lawdej(58)
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7X+5Y=7/6
Y=6X-1
substitute the second one to the first equation
7x+5(6x-1)=7/6
7x+30x-5=7/6
37x=7/6+5
37x=37/6
x=1/6
to find the value of y substitute x=1/6 to y=6x-1
y= 6(1/6)-1
y=1-1
y=0