0.21(3x+4)=5-(x+9.)

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Solution for 0.21(3x+4)=5-(x+9.) equation: 



0.21(3x+4)=5-(x+9.)

We move all terms to the left:

0.21(3x+4)-(5-(x+9.))=0

We add all the numbers together, and all the variables

0.21(3x+4)-(5-(x+9))=0

We multiply parentheses

0.63x-(5-(x+9))+0.84=0



We calculate terms in parentheses: -(5-(x+9)), so:

5-(x+9)

determiningTheFunctionDomain
-(x+9)+5

We get rid of parentheses

-x-9+5

We add all the numbers together, and all the variables

-1x-4

Back to the equation:

-(-1x-4)



We get rid of parentheses

0.63x+1x+4+0.84=0

We add all the numbers together, and all the variables

1.63x+4.84=0

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

1.63x=-4.84

x=-4.84/1.63

x=-2+1/1.0316455696203

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