Kelsey is thinking of a number. she says that the sum of a number and 9, multiplied by 2/3 is equal to -18

The number is -36

Step-by-step explanation:

To solve this problem, we will follow the steps below;

First, we need to re-write the problem in a mathematical format.

Let x be the number

"Kelsey is thinking of a number. She says that the sum of a number and 9, multiplied by 2/3 is equal to -18"  can be mathematically written as;

 =   -18

Open the bracket

 +  6  = -18

subtract 6 from both-side of the equation

 +  6 - 6 = -18-6

   = -24

Multiply both-side of the equation by 3

 × 3 = -24×3

2x = -72

Divide both-side of the equation by 2

=

x = - 36

The number is -36

the answer to the expression is 83

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step-by-step explanation: