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Mathematics 9 Online
OpenStudy (anonymous):

In the below system, solve for y in the first equation. 2x + y = 11 5x - 2y = -1 2x + 11 -2x + 11 2x - 11 -2x - 11

jimthompson5910 (jim_thompson5910):

the idea is to isolate y in the equation 2x + y = 11 how do we do this?

jimthompson5910 (jim_thompson5910):

hint: 2x+y is the same as y + 2x and you want to undo the +2x

jimthompson5910 (jim_thompson5910):

any ideas?

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