Solving Two-Step Equations Using Addition or Subtraction

Choose all that correctly apply.

• To solve a two step equation, you first isolate the term by using addition or subtraction.

• To isolate a variable in solving a two step equation, you use addition or subtraction.

• The second step to solving a two step equation is to isolate the variable by using multiplication or division.

• To isolate a term in solving a two step equation, you use multiplication or division.

• Subtract 6 from both sides then divide both sides by 5.

• Add 6 to both sides and multiply both sides by 5.

• Subtract 6 from both sides then multiply both sides by 5.

• Add 6 to both sides and divide both sides by 5.

• Add 10 to both sides of the equation. 

• Add 9 to both sides of the equation. 

• Subtract 3 from both sides of the equation.

• Subtract 9 from both sides of the equation.

The objective when solving an equation is to....

• isolate the variable.

• guess and check.

• check the solution.

• combine like terms.

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.

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

• Inverse operations

• math

• variable

• PEMDAS

What is the first step to complete when solving this equation?
10 - 3x = 4

• Subtract 10

• Add 10

• Add 3

• Divide by -3

5x - 4 + 2x = 3

• 1

• 2

• 3

• 4

The goal of solving a one, two, or multi-step equations is to:

• Find the constant

• Find the coefficient

• Find the value of the variable

• Guess and check

What is the first step in solving the equation 2a - 4(a - 5) = 10

• Add 4 to both sides

• Add the 2a and a 

• Distribute 4 to a and -5

• Distribute -4 to a and -5