b/13-3b/13=12/13

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Solution for b/13-3b/13=12/13 equation:


b/13-3b/13=12/13

We simplify the equation to the form, which is simple to understand 
b/13-3b/13=12/13

Simplifying:
 + 0.0769230769231b-3b/13=12/13

Simplifying:
 + 0.0769230769231b-0.230769230769b=12/13

Simplifying:
 + 0.0769230769231b-0.230769230769b=0.923076923077

We move all terms containing b to the left and all other terms to the right. 
 + 0.0769230769231b-0.230769230769b=0.923076923077

We simplify left and right side of the equation. 
-0.153846153846b=0.923076923077

We divide both sides of the equation by -0.153846153846 to get b. 
b=-6

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