Equations With Variables on Both Sides Special Cases

12k + 15 = 35 +2k

• k = 2

• k = 4

• k = -2

• k = -4

Solve for f:
f - 4 = 6f + 26

• f = -5

• f = 5

• f = 6

• f = -6

10x + 9 = 4x - 9

• x = 0

• x = 3

• x = -3

• x = -18

2x = x + 3

• 6

• 3

• 2

• x

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.7B

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.7B

Describe what was done in each solving step!

• Combine Like Terms

• Step 5

• Distribute

• Step 2

• Divide by -10 on both sides

• Step 3

• Subtract 4x from both sides

• Step 1

• Subtract 10 from both sides

• Step 4

Solve the equation for the variable

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.7B

Solve the equation for the variable