7.11=(1-x)*3.6+x*9

Solution for 7.11=(1-x)*3.6+x*9 equation:

7.11=(1-x)*3.6+x*9

We move all terms to the left:

7.11-((1-x)*3.6+x*9)=0

We add all the numbers together, and all the variables

-((-1x+1)*3.6+x*9)+7.11=0


We calculate terms in parentheses: -((-1x+1)*3.6+x*9), so:

(-1x+1)*3.6+x*9

We multiply parentheses

-3.6x+x*9+3.6

Wy multiply elements

-3.6x+9x+3.6

We add all the numbers together, and all the variables

5.4x+3.6

Back to the equation:

-(5.4x+3.6)


We get rid of parentheses

-5.4x-3.6+7.11=0

We add all the numbers together, and all the variables

-5.4x+3.51=0

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

-5.4x=-3.51

x=-3.51/-5.4

x=2.3245033112583/3.5761589403974