(0.3x-12)+0.3x=-1.5(7-0.4x)

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Solution for (0.3x-12)+0.3x=-1.5(7-0.4x) equation: 



(0.3x-12)+0.3x=-1.5(7-0.4x)

We move all terms to the left:

(0.3x-12)+0.3x-(-1.5(7-0.4x))=0

We add all the numbers together, and all the variables

(0.3x-12)+0.3x-(-1.5(-0.4x+7))=0

We add all the numbers together, and all the variables

0.3x+(0.3x-12)-(-1.5(-0.4x+7))=0

We get rid of parentheses

0.3x+0.3x-(-1.5(-0.4x+7))-12=0



We calculate terms in parentheses: -(-1.5(-0.4x+7)), so:

-1.5(-0.4x+7)

We multiply parentheses

-0x-10.5

We add all the numbers together, and all the variables

-1x-10.5

Back to the equation:

-(-1x-10.5)



We add all the numbers together, and all the variables

0.6x-(-1x-10.5)-12=0

We get rid of parentheses

0.6x+1x+10.5-12=0

We add all the numbers together, and all the variables

1.6x-1.5=0

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

1.6x=1.5

x=1.5/1.6

x=1/1.0666666666667

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