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Glencoe Math: Course 2, Volume 2

GM

Glencoe Math: Course 2, Volume 2 View details

1. Solve One-Step Addition and Subtraction Equations

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Exercise 2 Page 441

Use the Subtraction Property of Equality to eliminate the addition.

y=-16

Practice makes perfect

To solve the equation, we have to isolate y on one side. Using the Subtraction Property of Equality, we can subtract 5 from both sides of the equation. This will eliminate addition on the left-hand side and isolate y.

y+5=-11

LHS- 5=RHS- 5

y+5- 5=-11- 5

Subtract terms

y=-16

To check that this solution is correct, let's substitute y=-16 into the original equation and simplify.

y+5=-11

y= -16

-16+5? =-11

Add terms

-11=-11 ✓

Because the left-hand side and right-hand side are equal, y=-16 is the correct solution.

Subchapter links

Guided Practice p.440

Independent Practice p.441-442

H.O.T. Problems p.442

Standardized Test Practice p.442-444

Extra Practice p.443

Common Core Review p.444