30=b--2

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Solution for 30=b--2 equation:


30=b--2

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

We move all terms containing b to the left and all other terms to the right. 
-1b=+2-30

We simplify left and right side of the equation. 
-1b=-28

We divide both sides of the equation by -01 to get b. 
b=28

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