Solving Equations with a Variable on Both Sides

Describe what was done in each solving step!

• Combine Like Terms

• Step 1

• Subtract 4x from both sides

• Step 3

• Distribute

• Step 2

3x + 10 + 2x = 2 (x + 8)

Label the two steps in the appropriate spots where they took place.

a

b

Combine like terms

Distributive property

Tags

CCSS.6.EE.A.3

• 6

• no solution

• identity

• -3

Tags

CCSS.8.EE.C.7A

• 5

• no solution

• identity

• -5

Tags

CCSS.8.EE.C.7A

Solve the equation for the variable

The square and equilateral triangle below have the same perimeter. Find the value of x. Then, find the perimeter of each shape. Equation:​ (a)   X = ​ (b)   Perimeter: ​ (c)  

• 2

• 36

• 5

• 42

Solve the equation for the variable

Solve the equation.

7x - 9 - 3x = 4 ( x +3 ) +1 

• -2

• no solution

• 1

• infinite solutions

Solve the equation for the variable

Solve the equation for the variable