Pre-Algebra, 2008
 SELECT PAGE NO. SELECT PROBLEM NO. FOR THE PAGE
35

 PAGE: 424 SET: Exercises PROBLEM: 35

The equality is .

Apply subtraction property of equality: If a = b then .

(Subtract 5x from each side)

(Apply commutative property of addition: )

(Subtract: )

Apply addition property of equality:  If a = b then a + c = b + c.

Apply division property of equality: If a = b then .

(Divide each side by 3)

(Cancel common terms)

(Divide: )

Check:

To check, substitute , in .

(Substitute )

(Multiply: )

(Subtract: )

The equality is true.

The equality solution is .

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