0.4x-0.5(12-4x)=-0.3(x-7)

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Solution for 0.4x-0.5(12-4x)=-0.3(x-7) equation: 



0.4x-0.5(12-4x)=-0.3(x-7)

We move all terms to the left:

0.4x-0.5(12-4x)-(-0.3(x-7))=0

We add all the numbers together, and all the variables

0.4x-0.5(-4x+12)-(-0.3(x-7))=0

We multiply parentheses

0.4x+2x-(-0.3(x-7))-6=0



We calculate terms in parentheses: -(-0.3(x-7)), so:

-0.3(x-7)

We multiply parentheses

-0.3x+2.1

Back to the equation:

-(-0.3x+2.1)



We add all the numbers together, and all the variables

2.4x-(-0.3x+2.1)-6=0

We get rid of parentheses

2.4x+0.3x-2.1-6=0

We add all the numbers together, and all the variables

2.7x-8.1=0

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

2.7x=8.1

x=8.1/2.7

x=2+1/1

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