14(a-7)-7(a-3)=40

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Solution for 14(a-7)-7(a-3)=40 equation: 



14(a-7)-7(a-3)=40

We move all terms to the left:

14(a-7)-7(a-3)-(40)=0

We multiply parentheses

14a-7a-98+21-40=0

We add all the numbers together, and all the variables

7a-117=0

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

7a=117

a=117/7

a=16+5/7

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