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5 November, 07:03

Inverse operation steps for 19=h/3-8 steps in words

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Answers (2)
  1. 5 November, 09:21
    0
    19 = (h/3) - 8

    Quick reminder of all the inverse operations!

    Normal Operation - > Inverse Operation

    Addition - > Subtraction

    Subtraction - > Addition

    Multiplication - > Division

    Division - > Multiplication

    With that out of the way, we can move onto the problem at hand!

    19 = (h/3) - 8

    When trying to solve for a variable you must first get the variables expression alone (In this case the expression (h/3)). To do that in this case we must get rid of a 8 which is being subtracted from (h/3). So the inverse operation of subtraction is addition, thus we add 8 on both sides! Like a so ...:

    19 + 8 = (h/3) - 8 + 8

    The two 8s on the right cancel out, because - 8 + 8 = 0.

    19 + 8 = (h/3)

    Simplify the right side by adding together 19 and 8.

    27 = (h/3)

    Now we need to get h alone by removing the 3 which it is being divided by. So we use the inverse operation of division which is multiplication.

    27 * 3 = (h/3) * 3

    The 3s on the right cancel out, because 1/3 * 3 = 1.

    27 * 3 = h

    81 = h

    So! Our final answer is ...

    h = 81
  2. 5 November, 10:02
    0
    19 + 8 = h/3or h/3 = 27Multiply both sides by 3h = 27*3 = 81
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