﻿ Solve this system of equations: 2x - y = 7 5x + y = 21 , 08.11.2019 11:31, mexprencss

# Solve this system of equations: 2x - y = 7 5x + y = 21   ### Other questions on the subject: Mathematics Mathematics, 21.06.2019 15:40, holmesleauja
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Solve this system of equations: 2x - y = 7 5x + y = 21...

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