0.2a+5.5=7(0.4-0.1a)

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Solution for 0.2a+5.5=7(0.4-0.1a) equation: 



0.2a+5.5=7(0.4-0.1a)

We move all terms to the left:

0.2a+5.5-(7(0.4-0.1a))=0

We add all the numbers together, and all the variables

0.2a-(7(-0.1a+0.4))+5.5=0



We calculate terms in parentheses: -(7(-0.1a+0.4)), so:

7(-0.1a+0.4)

We multiply parentheses

0a+2.8

We add all the numbers together, and all the variables

a+2.8

Back to the equation:

-(a+2.8)



We get rid of parentheses

0.2a-a-2.8+5.5=0

We add all the numbers together, and all the variables

-0.8a+2.7=0

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

-0.8a=-2.7

a=-2.7/-0.8

a=3+0.3/0.8

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