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Solve the system of equations -7x - 6y = 4 x= -3y + 8
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Nov 15, 2019
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Solve the system of equations -7x - 6y = 4 x= -3y + 8
Mathematics
high-school
Kbolino
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Kbolino
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You can use the substitution method for this problem
Since -3y+8=x you can
Use the equation -7(-3y+8) -6y=4
You then distribute and solve
21y-56-6y=4
15y=60
Y=4
You then plug y into one of the original equations
X=-12+8
X=-4
(-4,4)
Rick Kirkham
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Nov 21, 2019
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Rick Kirkham
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