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Mathematics 21 Online
OpenStudy (anonymous):

What is the best way to begin solving the following system by substitution?

OpenStudy (ksaimouli):

step by step solve it sub one value solve it and so on

OpenStudy (ksaimouli):

use BODMAS

OpenStudy (anonymous):

-7x - 2y = -13 x - 2y = 11

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