SOLUTION: find the value of x in the equation 9-4x=57

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Question 75875: find the value of x in the equation 9-4x=57
Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
9-4x=57
9-9-4x=57-9
-4x=48
-4x/-4=48/-4
x=-12
.
Check by plugging x=-12 back into the original equation and solve:
9-4x=57
9-4(-12)=57
57=57 [checks out]