Algebra 2.4-2.5 Review

Solve

4 + 2x = 5x - 1

• x = 5/3

• x = 3/5

• x = 5

• x = 3

Solve

3(x + 1) = 3x - 5

• x = 2

• x = -1

• no solutions

• all solutions

Solve

9(x + 2) - 1 = 2x + 5

• x = -12/9

• x = -7

• x = -12/7

• x = 12/4

Solve

2(x - 6) + 2 = 2x - 10

• all solutions

• no solutions

• x = -1

• x = 1

Solve

 $\left|x+1\right|=4$  

• x = -3 and x = -6

• x = 3 and x = -5

• x = 2 and x = 3

• x = 1 and x = 4

Solve

 $\left|x-\ 6\right|=12$  

• x = 6 and x = -6

• x = -3 and x = 18

• x = -6 and x = 12

•  x = 18 and x = -6

Solve

 $\left|y+8\right|=4$  

• y = -4 and y = -12

• y = -2 and y = -4

• y = 4 and y = 6

• y = -12 and y = 6

Evaluate if x = 3

 $\left|x-2\right|+5$  

• 5

• 6

• 2

• 3

Evaluate if a = -2

 $\left|y\ +\ 5\right|-10$  

• 7

• 3

• 5

• -7

Evaluate if x=2 and y=4

 $3+\left|x-y\right|+1$  

• 5

• 6

• 7

• 2