3 years ago

Select an equivalent form of this equation: x/12 - 7 = x/4

Mathematics

1 answer:

Dmitry [639]3 years ago

7 0

x/ 12 -7= x/4

multiply 12 both sides of above equation we will get

x- 84 = 3x

3x-x = -84

2x+84= 0 ( equivalent form)

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Answer: There are 20 ways and 1680 ways respectively.

Step-by-step explanation:

Since we have given that

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So, Number of patterns she can make by placing them all in a line is given by

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So, Number of total pattern she can make by placing all nine blocks in a line is given by

$\dfrac{9!}{3!\times 3!\times 3!}\\\\=1680\ ways$

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