2 years ago

O

Mathematics

2 answers:

zhannawk [14.2K]2 years ago

7 0

This answer is B. -8

jekas [21]2 years ago

6 0

Answer:

b= -8

Step-by-step explanation:

we have: 3y +12 = 6x <=> y + 4 = 2x <=> y= 2x - 4

=> 2y=4x + b

<=> 2(2x-4) = 4x +b

<=> 4x - 8= 4x +b

<=> b = -8

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