romero71 romero71

19-08-2019
Mathematics

contestada

Simplify, THEN evaluate for x = 3, y = -4, and z= -2.
7(x - y) - 3(2 + 2x)

Respuesta :

tramserran tramserran

19-08-2019

Answer: 25

Step-by-step explanation:

7(x - y) - 3(2 + 2x)

= 7x - 7y - 6 - 6x

= x - 7y - 6

for x = 3, y = -4

3 - 7(-4) - 6

= 3 + 28 - 6

= 31 - 6

= 25

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