2(a-10)-9a+6=0

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Solution for 2(a-10)-9a+6=0 equation: 



2(a-10)-9a+6=0

We add all the numbers together, and all the variables

-9a+2(a-10)+6=0

We multiply parentheses

-9a+2a-20+6=0

We add all the numbers together, and all the variables

-7a-14=0

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

-7a=14

a=14/-7

a=-2

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