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Mathematics, 15.12.2019 01:31 feliciagraham14

Solve the system of equations using addition.
4x –y = –6
5x + y = –21

what is the solution of the system?

a. (3,6)
b. (6,3)
c. (–6,–3)
d. (–3,–6)

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Solve the system of equations using addition.
4x –y = –6
5x + y = –21

what i...
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