Raymond B. answered • 02/21/23
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5
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Math, microeconomics or criminal justice
x-4y =3
x = 4y+3
x-9y = 8
4y+3-9y= 8
-5y = 5
y = -1
x = -1
x =y =-1
Jennifer C.
asked • 02/21/23Solving systems of equations by substitution
x-9y=8
x-4y=3
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