One and Two Step Equations

a + 19 = -50

• a = -950

• a = -69

• a = -31

• a = -50/19

What is the inverse operation needed to solve for p?
765 = p - 254

• subtraction
• addition
• multiplication
• division

Tags

CCSS.6.EE.B.7

What are the steps to solving this equation?

-3c + 5 = 23

• 1. Add 5 to both sides.

  2. Multiply by 3 on both sides.

• 1. Subtract 5 from both sides

  2. Divide by 3 on both sides

• 1. Subtract 5 from both sides

  2. Divide by -3 on both sides

• 1. Add 5 from both sides

  2. Multiply by -3 on both sides

What is a one-step equation?

• A problem where multiple operations are present.
• A problem where the variable is missing.
• An equation where only one step (operation) is needed to solve it.
• An equation where two steps (two operations) are needed to solve it.

Tags

CCSS.6.EE.B.7

What is a two-step equation?

• An equation where two steps (or operations) are needed to solve it.
• An equation where only one step is needed to solve it.
• A problem with only one operation present.
• A problem where you find the square-root of a number.

Tags

CCSS.7.EE.B.4A

What are the steps to solving this equation?

• Add 2 to both sides of the equation

• Divide by 2 on both sides of the equation

• Multiply by 5 on both sides of the equation

• Divide by 5 on both sides of the equation

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 
• Subtract 62 from each side.
• Multiply each side by 62.
• Add 123 to each side.

Tags

CCSS.6.EE.B.7

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides
• Subtract 11 from both sides
• Add 11 to both sides
• Divide 3 on both sides.

Tags

CCSS.7.EE.B.4A

Figure out what n equals in this equation:

-6n + 4 = -26

• n=-6

• n= 5

• n= -5

• n= 6

What is the first step in solving the equation?

• Add 4 to each side

• Subtract 4 from each side

• Subtract 2y from each side

• Divide each side by 2y