Asked by bella
                a=1/2 h(a+b)
solve for b
            
        solve for b
Answers
                    Answered by
            mathhelper
            
    the b is stuck inside the bracket , so we have to fish it out
multiply each side by 2
2a = h(a+b)
distribute ...
2a = ah + bh
isolate the term containing b
2a - ah = bh
divide both sides by h
(2a - ah)/h = b
    
multiply each side by 2
2a = h(a+b)
distribute ...
2a = ah + bh
isolate the term containing b
2a - ah = bh
divide both sides by h
(2a - ah)/h = b
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