a+2(a-10)=320

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Solution for a+2(a-10)=320 equation: 



a+2(a-10)=320

We move all terms to the left:

a+2(a-10)-(320)=0

We multiply parentheses

a+2a-20-320=0

We add all the numbers together, and all the variables

3a-340=0

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

3a=340

a=340/3

a=113+1/3

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