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Given the literal equation for the area formula of a trapezoid: equation is in the photo attached. Only do the first one. PLEASE SHOW WORK :)

Given the literal equation for the area formula of a trapezoid equation is in the photo attached Only do the first one PLEASE SHOW WORK class=

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wegnerkolmp2741o

Answer:

2A/h - b1 =  b2

Step-by-step explanation:

A = 1/2 h ( b1+b2)  

We want to solve for b2

Multiply each side by 2

2A = 2* 1/2 h ( b1+b2)  

2A =  h ( b1+b2)  

Divide each side by h

2A / h =  h/h ( b1+b2)  

2A / h =   b1+b2

Subtract b1 from each side

2A/h - b1 = b1 + b2 -b1

2A/h - b1 =  b2

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