(3+x)2.0=1.8

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Solution for (3+x)2.0=1.8 equation: 



(3+x)2.0=1.8

We move all terms to the left:

(3+x)2.0-(1.8)=0

We add all the numbers together, and all the variables

(x+3)2.0-(1.8)=0

We add all the numbers together, and all the variables

(x+3)2.0-1.8=0

We multiply parentheses

2x+6-1.8=0

We add all the numbers together, and all the variables

2x+4.2=0

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

2x=-4.2

x=-4.2/2

x=-2+0.2/2

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