(14-a)*7=105

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Solution for (14-a)*7=105 equation: 



(14-a)*7=105

We move all terms to the left:

(14-a)*7-(105)=0

We add all the numbers together, and all the variables

(-1a+14)*7-105=0

We multiply parentheses

-7a+98-105=0

We add all the numbers together, and all the variables

-7a-7=0

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

-7a=7

a=7/-7

a=-1

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