Solve a one step equation using subtraction of decimals

The video tutorial explains how to solve an equation by isolating the variable. It demonstrates using inverse operations, specifically subtraction, to undo addition and apply the subtraction property of equality. The tutorial also covers the addition property of zero to simplify the equation, ultimately finding the value of the variable that satisfies the equation.

What is the main objective when dealing with the equation 2.7 equals -, 5.1?

• To divide both sides by 5

• To multiply both sides by 2

• To add more variables

• To find the value of K

What operation should be used to counteract the addition of 2.7?

• Addition

• Subtraction

• Division

• Multiplication

What is the result of subtracting 2.7 from both sides of the equation?

• 5.1

• 2.7

• -7.8

• 0

What does K + 0 simplify to?

• 0

• K

• K - 1

• K + 1

What is the final value of K that satisfies the equation?

• -7.8

• -5.1

• 2.7

• 0