(X-2)-4.5=2.1(x-1)

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Solution for (X-2)-4.5=2.1(x-1) equation: 



(X-2)-4.5=2.1(X-1)

We move all terms to the left:

(X-2)-4.5-(2.1(X-1))=0

We get rid of parentheses

X-(2.1(X-1))-2-4.5=0



We calculate terms in parentheses: -(2.1(X-1)), so:

2.1(X-1)

We multiply parentheses

2.1X-2.1

Back to the equation:

-(2.1X-2.1)



We add all the numbers together, and all the variables

X-(2.1X-2.1)-6.5=0

We get rid of parentheses

X-2.1X+2.1-6.5=0

We add all the numbers together, and all the variables

-1.1X-4.4=0

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

-1.1X=4.4

X=4.4/-1.1

X=-4

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