7x-0.4=4.5

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Solution for 7x-0.4=4.5 equation: 



7x-0.4=4.5

We move all terms to the left:

7x-0.4-(4.5)=0

We add all the numbers together, and all the variables

7x-4.9=0

We move all terms containing x to the left, all other terms to the right

7x=4.9

x=4.9/7

x=2.5789473684211/3.6842105263158

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