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12 February, 22:11

Consider the following formula

ax - bx + y = z

which of the following represents the formula that could be used to find x?

A.) x = z-y/a-b

B.) x=a-b/z-y

C.) x = z-y/b-a

D.) x=y-z/b-a

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Answers (1)
  1. 13 February, 00:12
    0
    Hello

    This question requires us to change the subject of a formula. This can be achieved by following the order of operations in reverse. First, isolate the terms with our variable of interest, x:

    ax - bx = z - y

    Then, we take x out as it is being multiplied to both a and b:

    x (a - b) = z - y

    Dividing (a - b) on both sides, we get:

    x = (z - y) / (a - b)

    Thus, the answer is A
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