literal equations

Solve for a.

• a = pw
• a = p/w
• a = w/p
• a = w + p

Solve for the indicated variable.

• A = l/w
• w = l/A
• w = A
• w = A/l

Solve m - n = 5 for m.

• m = 5 + n
• m = -5 - n
• m = -5 + n
• m = 5 - n

Tags

CCSS.6.EE.C.9

Solve: 2(4x - 3) - 8 = 4 + 2x

• 5/3
• 3
• 1
• 2

Solve -2 = 4r + s for s.

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

Tags

CCSS.6.EE.C.9

-8 + 8 = 0

• Additive Inverse
• Additive Identity
• Commutative Add
• Addition Property of Zero

3a+18=3(a+6)

• Multiplicative Inverse
• Associative Mult
• Commutative Mult
• Distributive

Identify the property used in Step 1.
12 = 7 - 5x    Given
12 = -5x + 7   Step 1
  5 = -5x         Step 2
  -1 = x           Step 3
   x = -1          Step 4

• Commutative
• Distributive
• Multiplicative Inverse
• Symmetric

Tags

CCSS.7.EE.B.4A

How would you solve the equation?
38 = m - 15

• Subtract 15 from both sides
• Add 15 to both sides
• Multiply both sides by 15
• Divide both sides by 15

Tags

CCSS.6.EE.B.7

How many solutions does the following equation have? 
4x - 8 = -2(-2x + 4)

• No solutions
• 1 solution
• Infinitely many solutions

Tags

CCSS.8.EE.C.7A