2(x+0.4)/9=1.2

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Solution for 2(x+0.4)/9=1.2 equation:



2(x+0.4)/9=1.2
We move all terms to the left:
2(x+0.4)/9-(1.2)=0
We add all the numbers together, and all the variables
2(x+0.4)/9-1.2=0
We multiply all the terms by the denominator
2(x+0.4)-(1.2)*9=0
We add all the numbers together, and all the variables
2(x+0.4)-10.8=0
We multiply parentheses
2x+0.8-10.8=0
We add all the numbers together, and all the variables
2x-10=0
We move all terms containing x to the left, all other terms to the right
2x=10
x=10/2
x=5

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