7.4x+4.1(2x-4)=-2.3(x-6)-21

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Solution for 7.4x+4.1(2x-4)=-2.3(x-6)-21 equation: 



7.4x+4.1(2x-4)=-2.3(x-6)-21

We move all terms to the left:

7.4x+4.1(2x-4)-(-2.3(x-6)-21)=0

We multiply parentheses

7.4x+8.2x-(-2.3(x-6)-21)-16.4=0



We calculate terms in parentheses: -(-2.3(x-6)-21), so:

-2.3(x-6)-21

We multiply parentheses

-2.3x+13.8-21

We add all the numbers together, and all the variables

-2.3x-7.2

Back to the equation:

-(-2.3x-7.2)



We add all the numbers together, and all the variables

15.6x-(-2.3x-7.2)-16.4=0

We get rid of parentheses

15.6x+2.3x+7.2-16.4=0

We add all the numbers together, and all the variables

17.9x-9.2=0

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

17.9x=9.2

x=9.2/17.9

x=7.6666666666667/14.916666666667

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