-9(x-4)=21

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Solution for -9(x-4)=21 equation:



-9(x-4)=21
We move all terms to the left:
-9(x-4)-(21)=0
We multiply parentheses
-9x+36-21=0
We add all the numbers together, and all the variables
-9x+15=0
We move all terms containing x to the left, all other terms to the right
-9x=-15
x=-15/-9
x=1+2/3

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