Grade 9Math

Example Card: Using the Subtraction Property of Inequality

Apply the subtraction property of inequality to solve one-step inequalities in Grade 9 Algebra. Subtract the same value from both sides while preserving the inequality direction.

Key Concepts

Now, let's tackle an inequality where the variable has something added to it. Here we apply the second key idea from our lesson, the Subtraction Property of Inequality.

Example Problem Solve the inequality $y + 5 8$. Then graph and check the solution.

Step by Step 1. Begin with the inequality. $$y + 5 8$$ 2. Apply the Subtraction Property of Inequality. Subtract $5$ from both sides. $$y + 5 5 8 5$$ 3. Simplify to find the solution. $$y 3$$ 4. The solution is all numbers greater than $3$. We graph this with an open circle at $3$ and an arrow pointing to the right.

Common Questions

What is Example Card: Using the Subtraction Property of Inequality in Grade 9 Algebra?

Now, let's tackle an inequality where the variable has something added to it Mastering this concept builds a foundation for advanced algebra topics.

How do you approach Example Card: Using the Subtraction Property of Inequality problems step by step?

Here we apply the second key idea from our lesson, the Subtraction Property of Inequality Use this method consistently to avoid common errors.

What is a common mistake when studying Example Card: Using the Subtraction Property of Inequality?

We graph this with an open circle at and an arrow pointing to the right Always check your work by substituting back into the original problem.