Question

Pls help

(Show your work pls!)

1. Solve for w
21+2w=p

2. Solve for a
2a+b=c

3. Solve for a
b-2a=c

Answer 1

1.

Step 1: Flip the equation.

p=2w+21

Answer:

p=2w+21

2.

Step 1: Add -b to both sides.

Step 2: Divide both sides by 2.

Answer:

a= −1 /2b+1/2 c

 

3.

Step 1: Add 2a to both sides.

−2a+b+2a=c+2a

b=2a+c

Answer:

b=2a+c