cyiajester45 cyiajester45

08-11-2018
Mathematics

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-18-9x=12(x+9) what is this

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ashtheace28 ashtheace28

08-11-2018

X = -6

-9x - 18 = 12x + 108

Add 18 to both sides

-9x = 12x + 126

-21x = 126

I did that step so like that the equation won't equal to zero and be wrong

Divide -21 to both sides and you should get

-6 = x

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