Petro was given this system of equations.
-14x-2y = 24
14x+8y = -12
petro’s work...
![subject](/tpl/images/cats/mat.png)
Mathematics, 11.07.2019 17:10 sdxnessa
Petro was given this system of equations.
-14x-2y = 24
14x+8y = -12
petro’s work is shown in the table. where, if anywhere, did petro first make a mistake?
-
a) step 1
b) step 2
c) step 3
d) no mistake
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Answers: 3
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