0.4x+0.5x-2=3(0.2+x)

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Solution for 0.4x+0.5x-2=3(0.2+x) equation: 



0.4x+0.5x-2=3(0.2+x)

We move all terms to the left:

0.4x+0.5x-2-(3(0.2+x))=0

We add all the numbers together, and all the variables

0.4x+0.5x-(3(x+0.2))-2=0

We add all the numbers together, and all the variables

0.9x-(3(x+0.2))-2=0



We calculate terms in parentheses: -(3(x+0.2)), so:

3(x+0.2)

We multiply parentheses

3x+0.6

Back to the equation:

-(3x+0.6)



We get rid of parentheses

0.9x-3x-0.6-2=0

We add all the numbers together, and all the variables

-2.1x-2.6=0

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

-2.1x=2.6

x=2.6/-2.1

x=-1+0.5/2.1

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