(x+2x)*2=1.8

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Solution for (x+2x)*2=1.8 equation: 



(x+2x)*2=1.8

We move all terms to the left:

(x+2x)*2-(1.8)=0

We add all the numbers together, and all the variables

(+3x)*2-(1.8)=0

We add all the numbers together, and all the variables

(+3x)*2-1.8=0

We multiply parentheses

6x-1.8=0

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

6x=1.8

x=1.8/6

x=1/3.3333333333333

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