Mathematics, 02.07.2019 00:20 sophie5064

Create an equivalent system of equations using the sum of the system and the first equation
-3x + y = 12
x + 3y = 6
a.-3x + y = 12
- 2x + 4y = 18
b.-3x+y=12
-3x + 4y = 18
c -3x+y = 12
x + 4y = 18
d.-3x+y=12
-2x + 4y = 6

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Create an equivalent system of equations using the sum of the system and the first equation
-3x...