omygodygirl1 omygodygirl1

01-09-2020
Mathematics

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8 times a number plus 3 times the number is the same as 9 more than 12 times the number. find the number

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melatleul melatleul

02-09-2020

Answer:

-9

Step-by-step explanation:

let 'x' be the unknown number

lets change the statment to an equation

8x + 3x = 12x + 9

11x = 12x + 9

11x-12x = 9

-x = 9

x = -9

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