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3 votes
Evaluate the expression xy - 4x when x = 2 and y = 7 . Please help.

1 Answer

4 votes
6




xy- 4x.

since we know x= 2 and y= 7, we can substitute the values.

(2)(7) - 4(2)

Multiply 2 and 7

14 - 4(2)

Multiply 4 and 2.

14 - 8

Subtract.

14-8= 6
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User Ivan Ruski
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