5x-4(9-x)=9

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Solution for 5x-4(9-x)=9 equation:



5x-4(9-x)=9
We move all terms to the left:
5x-4(9-x)-(9)=0
We add all the numbers together, and all the variables
5x-4(-1x+9)-9=0
We multiply parentheses
5x+4x-36-9=0
We add all the numbers together, and all the variables
9x-45=0
We move all terms containing x to the left, all other terms to the right
9x=45
x=45/9
x=5

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