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OpenStudy (anonymous):
Evaluate 2x2 − 5y 3x − y when x = 2 and y = -4.
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Nnesha (nnesha):
substitute 2 into x and -4 into y then solve
Nnesha (nnesha):
did you understand ??
OpenStudy (anonymous):
no you stupid feather
Nnesha (nnesha):
welcome to opens study!!! that's how you should ask for help ??
Nnesha (nnesha):
|dw:1421357093990:dw| replace x by 2 and then take square of 2 and replace y by -4
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