Question

A= 1/2 h (a+b), solve for b

Answer 1

2 ⋅ A /h - a = b

Step-by-step explanation:

Multiplying by 2 :

2 A = h ( a + b )

dividing by h

2 A /h = a + b

substracting a

2 ⋅ A /h − a = b

Answer 2

b=2A/h-a

Step-by-step explanation:

A=1/2h(a+b)

Multiplying by 2

2A=h(a+b)

Dividing by h

2A/h=a+b

Subtracting a

2A/h-a =b

b=2A/h-a