1.4-1.6 Review

1.4

100

-108=-3(6r+6)

5

300

-7(a+2)=-14-7a

Infinite solutions

400

Solve the equation for x

kx=w

x=w/k

500

-6(3x-4)=-5(5x+11)-5

-12

1.5

100

Solve, graph, & write in interval notation

5<2n+3n

n>1

(1,infinity)

300

Solve, graph, & write in interval notation

-4n-7(5n+8)≥-13+4n

n≤-1

(-infinity, -1]

500

Solve, graph, & write in interval notation

12(v-6)<-5(v-6)

v<6

(-infinity, 6)

1.6a

100

|-5x|=10

x= -2,2

300

|6n+6|=48

n= -9,7

500

5|10+5r|=50

r= -4,0

1.6b

100

Solve, graph, and write in interval notation

|m+3|<2

-5<m<-1

(-5,-1)

300

Solve, graph, & write in interval notation

|-10-7v|≥31

v≤ -41/7 or v≥3

(-infinity, -41/7)U[3, infinity)

500

Solve, graph, & write in interval notation

-7+|6n-4|≤3

-1 ≤ n ≤ 7/3

[-1, 7/3]