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Solve the system of equations using the elimination method. 6x+5y=123x+5y=21

Solve the system of equations using the elimination method. 6x+5y=123x+5y=21
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2 votes
Solve the system of equations using the elimination method.
6x+5y=123x+5y=21

User Matkes
by
8.9k points

1 Answer

11 votes

Subtract first equation from second equation
3x + 5y = 21
-6x-5y = -12


-3x = 9
X= -3

Plug x back into equation

3 (-3)+ 5y = 21
-9 + 5y = 21
5y = 30
Y = 6
Solution (-3, 6)

Have a good day!
User Robert Cardona
by
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