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1 November, 03:28

The three steps shown below were used to find an expression equivalent to 2/5 (15x - 30y) + 10x

step 1:?

step 2: 16x - 12y

step 3: 4 (4x - 3y)

which expression could be used as step 1?

A) 2/5 (25x - 30y)

B) 6x - 12y + 10x

C) 6x - 30y + 10x

D) 15 (x - 2y) + 10x

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Answers (1)
  1. 1 November, 03:31
    0
    The answer is B, because 6x + 10x = 16x. So, the answer would be 16x-12y, which is your second step.
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