Solving equations

Addition equations

100

x-7 = 12

x=19

200

x - 15=20

x= 35

300

x - 8= -9

x= -1

400

x - 12= -3

x= 9

Subtraction Equations

100

x + 12=15

x= 3

200

x + 8 = -9

x= -17

300

x + 15= 11

x = -4

400

x + 6= -9

x= -15

Multiplication Equations

100

x/4=5

x= 20

200

x/7=-2

x= -14

300

x/-5=-7

x= 35

400

x/-9=12

x= -108

Division Equations

100

3x=24

x= 8

200

-6x= 36

x= -6

300

-9x = -72

x= 8

400

8x= -64

x= -8