(2.1b-0.7)+(-18b+3.4=)

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Solution for (2.1b-0.7)+(-18b+3.4=) equation: 



(2.1b-0.7)+(-18b+3.4=)

We move all terms to the left:

(2.1b-0.7)+(-18b+3.4-())=0

We get rid of parentheses

2.1b+(-18b+3.4-())-0.7=0



We calculate terms in parentheses: +(-18b+3.4-()), so:

-18b+3.4-()

We add all the numbers together, and all the variables

-18b

Back to the equation:

+(-18b)



We get rid of parentheses

2.1b-18b-0.7=0

We add all the numbers together, and all the variables

-15.9b-0.7=0

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

-15.9b=0.7

b=0.7/-15.9

b=-0.7/15.9

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