3x-9=4x/5

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Solution for 3x-9=4x/5 equation:



3x-9=4x/5
We move all terms to the left:
3x-9-(4x/5)=0
We add all the numbers together, and all the variables
3x-(+4x/5)-9=0
We get rid of parentheses
3x-4x/5-9=0
We multiply all the terms by the denominator
3x*5-4x-9*5=0
We add all the numbers together, and all the variables
-4x+3x*5-45=0
Wy multiply elements
-4x+15x-45=0
We add all the numbers together, and all the variables
11x-45=0
We move all terms containing x to the left, all other terms to the right
11x=45
x=45/11
x=4+1/11

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