0.3(x-4)+0.7x=20

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Solution for 0.3(x-4)+0.7x=20 equation: 



0.3(x-4)+0.7x=20

We move all terms to the left:

0.3(x-4)+0.7x-(20)=0

We add all the numbers together, and all the variables

0.7x+0.3(x-4)-20=0

We multiply parentheses

0.7x+0.3x-1.2-20=0

We add all the numbers together, and all the variables

x-21.2=0

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

x=21.2

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