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5 October, 18:20

What is the solution to the equation?

1-z/5=9

A.

z = 50

B.

z = 44

C.

z = - 2

D.

z = - 40

+4
Answers (2)
  1. 5 October, 18:51
    0
    1. - z/5=9+1 (subtract from both sides)

    2. - z/5=8 (simplify 9-1 to 8)

    3. - z=8x5 (Multiply both sides by 5)

    4. - z=40 (simplify 8x5 to 40)

    5. z=-40 (Multiply both side by - 1)

    And your answer is - 40 which is D
  2. 5 October, 20:10
    0
    The answer would be D~ x = - 40
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