(25-a)*7=3

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Solution for (25-a)*7=3 equation: 



(25-a)*7=3

We move all terms to the left:

(25-a)*7-(3)=0

We add all the numbers together, and all the variables

(-1a+25)*7-3=0

We multiply parentheses

-7a+175-3=0

We add all the numbers together, and all the variables

-7a+172=0

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

-7a=-172

a=-172/-7

a=24+4/7

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