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evaluate -7(x-4y) when x=-4 and y=6

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2 Answers

All you have to do is plug in -4 for x and 6 for y.
 
your problem should now be -7((-4)-4(6))
 
First start off with (-4-4(6))
Find the answer to that and multiply it by the -7 outside of the parenthesis.
-7(-4-4(6))
 
-7(-4-24)
 
-7(-28)
 
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