2.1x+4.2=1.1-(x+2)

Solution for 2.1x+4.2=1.1-(x+2) equation:

2.1x+4.2=1.1-(x+2)

We move all terms to the left:

2.1x+4.2-(1.1-(x+2))=0


We calculate terms in parentheses: -(1.1-(x+2)), so:

1.1-(x+2)

determiningTheFunctionDomain
-(x+2)+1.1

We get rid of parentheses

-x-2+1.1

We add all the numbers together, and all the variables

-1x-0.9

Back to the equation:

-(-1x-0.9)


We get rid of parentheses

2.1x+1x+0.9+4.2=0

We add all the numbers together, and all the variables

3.1x+5.1=0

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

3.1x=-5.1

x=-5.1/3.1

x=-1+1/1.55