Beginning Algebra, 11th Edition

To solve the equation x- 5 = 2 , we used the addition property of equality. SECTION 2.1 The Addition Property of Equality 87 Add ...

The addition property of equality says that the same number may be addedto each side of an equation. In Section 1.5,subtraction ...

What happens in Example 4if we start by subtracting from each side? Original equation from Example 4 Subtract from each side. ; ...

90 CHAPTER 2 Linear Equations and Inequalities in One Variable NOW TRY EXERCISE 7 Solve. 413 x- 22 - 111 x- 42 = 3 CHECK Origina ...

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Write an equation using the information given in the problem. Use x as the variable. Then solve the equation. 75.Three times a n ...

SECTION 2.2 The Multiplication Property of Equality^93 In , we must change 3xto 1x, or x. To do this, we multiply each side of t ...

Applying the Multiplication Property of Equality Solve ; Write in lowest terms. CHECK Original equation Let ✓ True The check con ...

Applying the Multiplication Property of Equality Solve Multiply each side by , the reciprocal of. Multiplicative inverse propert ...

96 CHAPTER 2 Linear Equations and Inequalities in One Variable Complete solution available on the Video Resources on DVD 2.2 EXE ...

66. 67. 68. 69. 70. 71.Concept Check Write an equation that requires the use of the multiplication property of equality, where e ...

Remember that when we solve an equation, our primary goal is to isolate the variable on one side of the equation. Applying Both ...

NOTE Remember that the variable can be isolated on either side of the equation. In Example 2,xwill be isolated on the right if w ...

100 CHAPTER 2 Linear Equations and Inequalities in One Variable Step 2 Subtract 3z. Combine like terms. Add 3. Combine like term ...

Solving an Equation with Fractions as Coefficients Solve Step 1 The LCD of all the fractions in the equation is 6. Multiply. Com ...

Step 2 Subtract 7. Combine like terms. Step 3 Divide by. Step 4 Check to confirm that 5 - 26 is the solution set. NOW TRY x=- 2 ...

Solving an Equation That Has Infinitely Many Solutions Solve Distributive property Subtract 5x. Combine like terms. Add 15. True ...

104 CHAPTER 2 Linear Equations and Inequalities in One Variable OBJECTIVE 4 Write expressions for two related unknown quantities ...

15. 16. 17. 4 r+ 2 =r- 6 19.- 12 x- 5 = 10 - 7 x 20.- 16 w- 3 = 13 - 8 w 2 x+ 9 = 4 x+ 11 7 p+ 8 = 9 p- 2 5 m+ 8 = 7 + 3 m SEC ...

70.A football player gained yyards on a punt return. On the next return, he gained 6 yd. What expression represents the number o ...