SOLUTION: 2(a+1)=18

Question 849620: 2(a+1)=18
Answer by pmesler(52) (Show Source): You can put this solution on YOUR website!
Start out by using the Distributive property.
2(a+1)=18 becomes
2a+2=18
Subtract 2 from each side.
2a = 16
Divide each side by 2
a = 8
Plug in the value of a into the original equation to see if it checks out.
2(8+1) = 18
2(9) = 18
18 = 18. Everything checks out so a = 8 is correct.

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