09-01-2019
Mathematics

contestada

The sum of twice a number and 9 is -25

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wegnerkolmp2741o wegnerkolmp2741o

09-01-2019

Answer:

n = -17

Step-by-step explanation:

2n+9 = -25

Subtract 9 from each side

2n+9-9 = -25-9

2n = -34

Divide each side by 2

2n/2 = -34/2

n = -17

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