19. a. Given the formula A= (1/2)bh , solve for b.
Only answer if you know the question please

b = 2A/h

Step-by-step explanation:

1/2 bh = A

2 ⋅ 1/2 bh = 2A

bh = 2A

bh/h = 2A/h

b = 2A/h

let's solve your equation step-by-step.

4x+2=2x+12

step 1: subtract 2x from both sides.

4x+2−2x=2x+12−2x

2x+2=12

step 2: subtract 2 from both sides.

2x+2−2=12−2

2x=10

step 3: divide both sides by 2.

2x

2

=

10

2

x=5

step-by-step explanation:

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step-by-step explanation:

just for that im not answering