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Pearson Algebra 1 Common Core, 2011 View details

1. Inequalities and Their Graphs

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Exercise 79 Page 170

Use the Subtraction Property of Equality to eliminate the sum.

-1/9

Practice makes perfect

To solve the equation we have to isolate k on one side of the equation. Using the Subtraction Property of Equality, we will subtract 23 from both sides of the equation. This will eliminate the sum on the left-hand side of the equation and isolate k.

k+2/3=5/9

SubEqn

LHS-2/3=RHS-2/3

k+2/3-2/3=5/9-2/3

SubTerms

Subtract terms

k+0=5/9-2/3

IdPropAdd

Identity Property of Addition

k=5/9-2/3

ExpandFrac

a/b=a * 3/b * 3