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Which procedure justifies whether -3x(5-4)+3(x-6) is equivalent to -12x-6?
The expressions are not equivalent because -3(2)(5-4)+3(2-6)=-18 and -12(2)-6=-30
The expressions are not equivalent because -3(2)(5-4)+ 3(2-6)=-18 and -12(3)- 6 =-42.
The expressions are equivalent because -3(2)(5-4)+3(2-6)=-18 and -12(-2)-6 = 18
The expressions are equivalent because -3(2)(5-4)+3(2-6)=-18 and -12(1)-6=-18
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Answer:

x=1

Step-by-step explanation:

-3x(5-4)+3(x-6)

-15x+12x+3x-18

-3x+3x-18

-18=-12x-6

-12x=-18+6

-12x=-12

12x=12

x=12/12

x=1

Answer:

The expressions are not equivalent because Negative 3 (2) (5 minus 4) + 3 (2 minus 6) = negative 18 and Negative 12 (2) minus 6 = negative 30.

Step-by-step explanation:

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