Multi Variable Equations

Solve the formula for y.  What is the 1st step? 

• Subtract B from each side.  

• Divide each side by Ax. 

• Divide each side by B. 

• Subtract Ax from each side. 

Tags

CCSS.HSA.CED.A.4

• A

• B

• C

• D

Tags

CCSS.HSA.CED.A.4

Solve for x:

• x = yb - v

• x = by - v

• x = by + v

Tags

CCSS.HSA.CED.A.4

S = 3F - 24  Solve for F

• F = (S + 24)/3

• F = S/3 + 24

• F = 3S + 24

• F = 3(S + 24)

Tags

CCSS.HSA.CED.A.4

M= i + r ; solve for r

• M-i

• M+i

• -M-r

• -M+i

Tags

CCSS.HSA.REI.B.3

• Move one variable group to the other side using subtraction.

• Divide on both sides

• Add one of the constants to both sides

• Write solution as

  x =

• -10

• 10

• 2/5

• -2/5

Tags

CCSS.7.EE.B.4A

3x + y = 12

• y = -3x +12

• x = y + 4

• x = y + 12

• y = 3x -12

Tags

CCSS.6.EE.C.9

4x + 3y = 9

• y = -3/4x + 3

• y = -4x + 9

• y = -4/3x + 3

• 3y = -4x + 9

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

8x + 4y = 16    ,  for     y

• y = -2x + 4

• y = 2x - 4

• y = 2x + 4

• y = -2x - 4

Tags

CCSS.6.EE.C.9