Algebra

Multi-step equations

100

what is x in this problem? 4x+3x-7=0

x=1

200

what is x in this problem?  6(x - 2) + 14 = 26  

x=4

300

what is a in this problem? a + 5 = −5a + 5

0

400

what is p in this problem? p − 4 = −9 + p

No solution

500

what is n in this problem? 3n − 5 = −8(6 + 5n)

-1

Compound inequalities

100

 2<2x<6 

1<x<3

200

-3<m-5<-1

2<m<4

300

-1<9+n<17

-10<n<8

400

9+2b<7 or 7-5b<-8

b<-1 or b>3

500

-50<7k+6<-8

-8<k<-2

slope

100

(-3, 8) (2, -11) 

-19/5

200

(3,7) (1,1)

3

300

(8,2) (8,2)

2

400

(1,2) (-1,0)

1

500

(1,1) (3,-1) 

0

equations with variables on both sides

100

5x-2=3x+4

x=3

200

21x+2=9-2x

-2

300

31x+9=0-1x

ns

400

4(80+n) = (3k)n

ns

500

free points

free points

Inequalities and their graphs

100

n>1

------>0

200

n<9

0<--------

300

n>_9

---------->

400

is it going left or right

free

500

is it going left or right n>9

right