-1.8x=2(x+2.15)

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Solution for -1.8x=2(x+2.15) equation: 



-1.8x=2(x+2.15)

We move all terms to the left:

-1.8x-(2(x+2.15))=0



We calculate terms in parentheses: -(2(x+2.15)), so:

2(x+2.15)

We multiply parentheses

2x+4.3

Back to the equation:

-(2x+4.3)



We get rid of parentheses

-1.8x-2x-4.3=0

We add all the numbers together, and all the variables

-3.8x-4.3=0

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

-3.8x=4.3

x=4.3/-3.8

x=-1+0.5/3.8

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