30=12+2b

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Solution for 30=12+2b equation:


30=12+2b

We simplify the equation to the form, which is simple to understand 
30=12+2b

We move all terms containing b to the left and all other terms to the right. 
-2b=+12-30

We simplify left and right side of the equation. 
-2b=-18

We divide both sides of the equation by -02 to get b. 
b=9

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