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Best Answer

9 - 4x = 57

9 - 9 - 4x = 57 - 9

-4x = 48

-4x/-4 = 48/-4

x = -12

Always double check your answer.

9 - 4x = 57

9 - 4(-12) = 57

9 + 48 = 57

57 = 57

So 9 - 4x = 57 when x = -12

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Wiki User

12y ago
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Anonymous

Lvl 1
3y ago

The answer should be -12 cause 9 - 4 × -12=57

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Anonymous

Lvl 1
3y ago

16.5

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Q: What is the value of x in the equation 9-4x equals 57?
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