5a-2(a+1)=18

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Solution for 5a-2(a+1)=18 equation: 



5a-2(a+1)=18

We move all terms to the left:

5a-2(a+1)-(18)=0

We multiply parentheses

5a-2a-2-18=0

We add all the numbers together, and all the variables

3a-20=0

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

3a=20

a=20/3

a=6+2/3

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