Solving Equations Using Undoing

Using the "opposite operation" to "undo" and isolate the variable when solving an equation is more commonly called...

• Inverse operations
• math
• variable
• PEMDAS

Tags

CCSS.7.EE.B.4A

What is the first step (after setting up your workspace) in solving this equation:
5x + 7 = 12

• Divide by 5
• Subtract 5
• Multiply by 7
• Subtract 7

Tags

CCSS.7.EE.B.4A

What is the first step (after setting up your workspace) in solving this equation:
5x + 7 = 12

• Divide by 5
• Subtract 5
• Multiply by 7
• Subtract 7

Tags

CCSS.7.EE.B.4A

What is the first step (after setting up your workspace) to complete when solving this equation?
10 - 3y = 4

• Add 10
• Subtract 10
• Add 3
• Divide by -3

Tags

CCSS.7.EE.B.4A

Solve for x:
8x - 10 = -34

• 4
• 3
• -3
• -24

Tags

CCSS.7.EE.B.4A

Solve for w:
-6w + 1 = -11

• 2
• 1.2
• 12
• -2

Tags

CCSS.7.EE.B.4A

Solve for b:
.5b + 4 = 20

• 8
• 48
• 24
• 32

Tags

CCSS.7.EE.B.4A

Solve: 2x + 1 = 5

• 3
• 2
• -2
• -3

Tags

CCSS.7.EE.B.4A

Solve: -2y - 7 = 3

• -5
• 5
• 2
• -2

Tags

CCSS.7.EE.B.4A

Solve for " x" ?
4x-6=30

• 9
• 13
• 36
• 4

Tags

CCSS.7.EE.B.4A