Show:
standard form
solving inequalities
absolute value
pemdas
square roots
100

2x-y=8

x=4  y=-8

100

x+5<8

x<3

100

|x|=3

3,-3

100

4 to the 2nd power -(8 divided by 2)

12

100

square root of 25

5

200

2x+5y=10

x=5  y=2

200

y-7<10

y<17

200

|x|=5

5,-5

200

2(x+3)-x

x+6

200

square root of 64

8
300

10x+5y=120

x=12   y=24

300

2y>18

y>9

300

|y|=9

9,-9

300

(10-5 to the 2nd power) divided by 5

-3

300

square root of 100

10

400

3x-6y=-12

x=-4   y=2

400

m/5>4

m>20

400

   |a-1|=4


5,-3

400

3[2(3+4)]-1

41

400

square root of 144

12

500

3x-y=3

x=1   y=-3

500

-2x+5<7

x>-1

500

|x+2|=9

7,-11

500

2+[10-(2+5 2nd power)]

-15

500

square root of 225

15