Solving for Variables on Both Sides

Solve the equation for the variable

• 4

• -10

• 1

• -1

Solve the equation for the variable

• no solution

• 0

• 6x

• 6

Tags

CCSS.8.EE.C.7A

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.7B

You rewrote the equation after multiplying the LCD 4 to equal 2x - 20 = 3x + 12 What is the value of x?

Mathematical Equivalence

ON

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 for the variable

• 5

• 10

• 12

• 17

4x - 6 = x + 9

• x = 5

• x = -5

• x = 1/5

• x = 9

-4x - 3 = -6x + 9

• x = -6

• x = 6

• x = 3

• x = 4

6(2 + y) = 3(3 - y)

• y = 5

• y = -1/3

• y = 1/3

• y = 19

Tags

CCSS.8.EE.C.7B