Expression and Equation Review

order of operations

100

(22-13) / (3*1)

3

200

(53-20) / (9/3)

11

300

23 + 14 - (24 / 4)

31

400

4 + 7 * (5+2)

53

500

(3*5) + 4* (25 / 5)

35

one-step equation

100

x - 19=-6

x=13

200

20=j + (-2)

j=22

300

h - 3 = -27

h = -24

400

8s=-16

s=-2

500

j / (-10) = -20

j=200

two-step equation

100

2x+4 = 16

x= 6

200

3x+6 = 18

x=4

300

22 = 4+2x 

x=9

400

24 = 7x+3 

x=3

500

3x - 11=22

x=11

evaluate expressions

100

3x+2 if x=2

8

200

-1x+5 if x=6

-1

300

3x-5 if 2x=6

4

400

10 + x² if x=-3

19

500

5(x-3) + 7 if x=-8

-48

translating equations

100

a number decreased by 6 is equal to 10

n = 16

200

The sum of eight and a number is twelve

n=4

300

six less then a number is 22

n=28

400

2 less than a number is 4

n = 6

500

four more than three times a number is thirteen

n = 3