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 does K + 0 equal?

• 0

• K

• 1

• K + 1

What is the value of K that makes the equation true?

• -7.8

• 7.8

• 0

• 5.1