a=1/2*20*19

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Solution for a=1/2*20*19 equation: 



a=1/2*20*19

We move all terms to the left:

a-(1/2*20*19)=0

We add all the numbers together, and all the variables

a-(+1/2*20*19)=0

We get rid of parentheses

a-1/2*20*19=0

We multiply all the terms by the denominator


a*2*20*19-1=0

Wy multiply elements

760a*2-1=0

Wy multiply elements

1520a-1=0

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

1520a=1

a=1/1520

a=1/1520

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