How do I solve the system of equations using substitution for:
1. -4x - y = 6 -5x - y = 21
2....
Mathematics, 12.07.2021 19:30 Hardydonotmess1
How do I solve the system of equations using substitution for:
1. -4x - y = 6 -5x - y = 21
2. -7x - 2y = -17 x -2y = 10
3. -5x + y = -2 -3x + 6y = -12
4. -2x - 4y = -16 6x - 2y = 20
Answers: 3
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