The value of the required **number **x will be 160.
The **expression **is the combination of numbers and **variables **with the application of mathematical operations.
To find the **number **when it is decreased by 10% of itself and the result is 144, we can set up an equation and solve for the unknown number .
Start with the equation:
x - 0.1x = 144.
Here, x represents the unknown number .
Simplify the **equation **by combining like terms :
0.9x = 144.
Solve for x by dividing both sides of the equation by 0.9:
(0.9x) / 0.9 = 144 / 0.9.
This gives us:
x = 160.
Therefore, the number is 160.
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The number is 160, as it decreases by 10% of itself to give the result of 144.
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