15a-3/21=0

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Solution for 15a-3/21=0 equation: 



15a-3/21=0

We multiply all the terms by the denominator


15a*21-3=0

Wy multiply elements

315a-3=0

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

315a=3

a=3/315

a=1/105

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