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McGraw Hill Glencoe Algebra 1, 2012

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McGraw Hill Glencoe Algebra 1, 2012 View details

5. Inequalities Involving Absolute Value

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Exercise 60 Page 316

Use the Multiplication Property of Equality to eliminate the division.

t=100

Practice makes perfect

To solve the equation, we have to isolate t on one side. Using the Multiplication Property of Equality, we will multiply both sides of the equation by 5. This will eliminate the denominator of the fraction and isolate t.

t/5=20

LHS * 5=RHS* 5

t/5* 5=20* 5

FracMultDenomToNumber

a/5* 5 = a

t=5* 20

Multiply

t=100

To check that this solution is correct, substitute t=100 into the original equation and simplify.

t/5=20

t= 100

100/5 ? = 20

Calculate quotient

20 = 20 ✓

Since the left-hand side and right-hand side are equal, t=100 is the correct solution.

Subchapter links

Check Your Understanding p.314

Practice and Problem Solving p.314-315

H.O.T. Problems p.315

Standardized Test Practice p.316

Spiral Review p.316

Skills Review p.316