6a+4a-2(a+10)=220

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Solution for 6a+4a-2(a+10)=220 equation: 



6a+4a-2(a+10)=220

We move all terms to the left:

6a+4a-2(a+10)-(220)=0

We add all the numbers together, and all the variables

10a-2(a+10)-220=0

We multiply parentheses

10a-2a-20-220=0

We add all the numbers together, and all the variables

8a-240=0

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

8a=240

a=240/8

a=30

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