Solving Equations

Solve for t.
D= rt

• D/r = t
• Dr = t
• D/t = r
• Dt = r

pV = nRT
solve for R

• R= pV/nT
• R= p/n + V/T
• R= pV - nT
• R= (pV-n)/T

Solve -2 = 4r + s for s.

• s = -2 + 4r
• s = 2 - 4r
• s = -2 - 4r
• s = 2 + 4r

Solve:
8x + 4y = 16    ,  for     y

• y = -2x + 4
• y = 2x - 4
• y = 2x + 4
• y = -2x - 4

5x - y = 16

• -y = 5x + 16
• y = 5x + 16
• x = 5y - 16
• y = 5x - 16

Solve for y:
y + 2 = 3x

• y = 2x + 3
• y= 3x +2
• y= 3x -2
• y= 6x

3x + y = 12

• y = -3x +12
• x = y + 4
• x = y + 12
• y = 3x -12

Solve for y:

y - 3 = 2(x + 4)

• y = 2x+11

• y = 2x + 7

• y = 2x + 8

• y = 2x + 14

Solve:
12x - 4y = 20  ,  for   y 

• y = 3x - 5
• y = -3x + 5
• y = -3x - 5
• y = 3x + 5

Solve the following equation,
x + 7 = 28

• x = 35
• x = 4
• x = 196
• x = 21