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24-04-2020
Mathematics

contestada

9x-7=-7 can you help

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

24-04-2020

Answer:

x=0

Step-by-step explanation:

9x-7=-7

Add 7 to each side

9x-7+7=-7+7

9x = 0

Divide each side by 9

9x/9 = 0/9

x = 0

Answer Link

24-04-2020

9x - 7 = -7
(Add 7 to the other side)
9x = -7 + 7
9x = 0
=> x = 0

(You can substitute x back to check for the answer)
9(0) - 7 = -7
0 - 7 = -7

Answer Link

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