-4+30=20-(-2x)

Solution for -4+30=20-(-2x) equation:

-4+30=20-(-2x)

We move all terms to the left:

-4+30-(20-(-2x))=0

We add all the numbers together, and all the variables

-(20-(-2x))+26=0


We calculate terms in parentheses: -(20-(-2x)), so:

20-(-2x)

determiningTheFunctionDomain
-(-2x)+20

We get rid of parentheses

2x+20

Back to the equation:

-(2x+20)


We get rid of parentheses

-2x-20+26=0

We add all the numbers together, and all the variables

-2x+6=0

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

-2x=-6

x=-6/-2

x=+3