lethaniNtulicom
lethaniNtulicom lethaniNtulicom
  • 23-05-2021
  • Mathematics
contestada

the sum of a number and nine is multiplied by-2 and the answer is -8. Find the number​

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KNIGHT2000
KNIGHT2000 KNIGHT2000
  • 23-05-2021

Answer:

Step-by-step explanation:

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samuelthankgod
samuelthankgod samuelthankgod
  • 23-05-2021

Step-by-step explanation:

let number be x

-2(x+9)= -8

-2x -9= -8

-2x = -8+9

-2x= 1

x= -1/2

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