If you see the words 'how many' or 'share' that usually means divide.
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An inverse operation undoes it's composite operation. For example, Addition and Subtraction are inverses of each other, as are Multiplication and Division, as are Exponentiation and Logarithms, as are Sine and ArcSine, Cosine and ArcCosine, Tangent and ArcTangent, Secant and ArcSecant, Cosecant and ArcCosecant, and Cotangent and ArcCotangent
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Definition of Inverse OperationTwo operations are said to be Inverse to each other if one operation undoes the effect of the other operation.More about Inverse OperationAddition and subtraction are inverse operations of each other.Multiplication and division are inverse operations of each other.Examples of Inverse OperationThe inverse operation of "10 + 9 = 19" is "19 - 9 = 10", or vice-versa.The inverse operation of "7 × 9 = 63" is "63 ÷ 9 = 7", or vice-versa.Solved Example on Inverse OperationQ. The inverse operation for 14 × 4 = 56. A. 56 ÷ 4 = 14
You solve each by applying the inverse operation to both sides (an inverse operation "undoes" the original operation.)Example 1: x +3 = 5 ... You "undo" the addition of 3 by subtracting 3 from each side:x +3 -3 = 5 -3 => x +0 = 2 => x = 2Example 2: x -7 = 1 ... Add 7 to each side ( addition is the inverse of subtraction):x -7 +7 = 1 +7 => x +0 = 8 => x = 8Example 3: x/2 = -4 ... The inverse of division is multiplication, so multiply each side by 2 to undo the division:(2)x/2 = (2)(-4) => 1x = -8 => x = -8
This is an operation in which each zero is changed to a one, and each one is changed to a zero.