2(2a-1)=18

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Solution for 2(2a-1)=18 equation:



2(2a-1)=18
We move all terms to the left:
2(2a-1)-(18)=0
We multiply parentheses
4a-2-18=0
We add all the numbers together, and all the variables
4a-20=0
We move all terms containing a to the left, all other terms to the right
4a=20
a=20/4
a=5

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