102=0.5(98+a)

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Solution for 102=0.5(98+a) equation: 



102=0.5(98+a)

We move all terms to the left:

102-(0.5(98+a))=0

We add all the numbers together, and all the variables

-(0.5(a+98))+102=0



We calculate terms in parentheses: -(0.5(a+98)), so:

0.5(a+98)

We multiply parentheses

0.5a+49

Back to the equation:

-(0.5a+49)



We get rid of parentheses

-0.5a-49+102=0

We add all the numbers together, and all the variables

-0.5a+53=0

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

-0.5a=-53

a=-53/-0.5

a=+106

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