One-step equations

• He could have!

• Because 3 and x are added together, and the inverse operation of addition is multiplication, not subtraction.

• Because 3 and x are multiplied together, and the inverse operation of multiplication is division, not subtraction.

Solve the equation: 
x + 7 = 12

• x = 5
• x = 19
• x = 4
• x = 84

Solve the equation:
4p = 16

• p = 12
• p = 64
• p = 3
• p = 4

y - 33 = 147

• y = 114
• y = 177
• y = 180
• Answer not Given

What is your first step when you solve  x + 5 = 12

• Add 5 to 5 and add 5 to 5 to 12
• Subtract 5 from 5 and subtract 5 from 12
• Subtract 12 from 12 and subtract 12 from 5
• Add 12 to 12 and add 12 to 5

y/3 = 8

• 3

• 8

• 12

• 24

• n and 4 are added together, and the inverse operation of addition is subtraction. So, she should have subtracted 4 from both sides instead of adding 4 to both sides.

• She should have been working to cancel out the 5, not the 4.

• n and 4 are added together, and the inverse operation of addition is division. So, she should have divided by 4 on both sides instead of adding 4 to both sides.

What is the first step to solve for b:

2b = -16

• add 2 to both sides

• subtract 2 to both sides

• multiply 2 to both sides

• divide 2 to both sides

What is the first step to solving this equation?

• add -8 to both sides

• subtract -8 to both sides

• Multiply -8 to both sides

• divide -8 to both sides

In an equation or inequality, you want to get the variable...

• on one side
• to disappear
• by itself