If x = 5 and y = -4, evaluate this expression: (-2x + 10) - (-6x + 5y + 12) + (x + 8y - 16)

If x = 5 and y = -4, evaluate this expression:

(-2x + 10) - (-6x + 5y + 12) + (x + 8y - 16)

 

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1 Answer

(-2x + 10) - (-6x + 5y + 12) + (x + 8y - 16)

=(-2*5 + 10) - (-6*5 + 5*-4 + 12) + (5 + 8*-4 - 16)

= (-10 + 10) - (-30 - 20 + 12) + (5  -32 - 16)

= 0 - (-38) + (-43)

= 38 - 43

= -5

by Level 2 User (1.7k points)

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