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Glencoe Math: Course 2, Volume 2 View details

6. Solve Inequalities by Addition or Subtraction

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Exercise 37 Page 504

Use the Addition Property of Equality to eliminate the subtraction.

Solution: x = - 4
Graph:

Practice makes perfect

To solve the equation, we have to isolate x on one side. Using the Addition Property of Equality, we will add 1 to both sides of the equation. This will eliminate the subtraction and isolate x.

x - 1 = - 5

AddEqn

LHS+1=RHS+1

x - 1 + 1= - 5 + 1

AddTerms

Add terms

x = - 4

Let's mark x = - 4 on the number line.