cool

2 step eguations

100

2x+5=21

x=8

200

-4x+7=15

x=-2

300

-3x+6=21

x=-5

400

11=3-7x

-1.14=x

500

4x+2y=8

x=-2

2 step inequalities

100

-6v+10>-68

v>13

200

-6+10n>-166

n>-16

300

-85>7a+6

a<-13

400

87>-6v-9

z>-16

500

5x-2>3

x>1

simplify expressions

100

2x+5

7x

200

3(x+2)

2x+6

300

4x-2(5+x)

2x-10

400

-3(x+2)+5

-3x-1

500

5(x+2)-7(x+2)

2x-4

whats the next number

100

5 10 15 20

25

200

10 20 30 40

50

300

36 216 1296

7776

400

-24 48 -96 192

-384

500

140 980 

6860

whats it going up by

100

30 40 50 60

+10

200

 5 25 125 625

*5

300

5 7 9 11

+2

400

92 84 76 68

-8

500

64 32 16 8

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