Mathematics, 02.08.2019 10:30 kev9369

Berta worked to solve a system of equations. 4x + y = –5 x – y = –5 step 1: step 2: x = –2 step 3: 4(–2) + y = –5 step 4: –8 + y = –5 step 5: y = 3 berta determined that the solution is (–2, 3). which could have been the equation berta found in step 1?

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Berta worked to solve a system of equations. 4x + y = –5 x – y = –5 step 1: step 2: x = –2 step 3...

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