Addition
Subtraction
Multiplication
Division
~Random~
100

y + 4 = 10

y = 6

100

x - 2 = 13

x = 15

100

4m = 16

m = 4

100

s/3 = 9

s = 27

100

inverse operation of addition

subtraction

200

x + 15 = -7

x = -22

200

z - 13 = 13

z = 26

200

12x = 36

x = 3

200

n/5 = 9

n = 45

200

inverse operation of multiplication

division

300
14 + z =26

z = 12

300

p - 7 = -10

p = -3

300

7y = -14

y = -2

300

x/-4 = -11

x = 44

300

inverse operation of subtraction

addition

400
s + 9 = 4

s = -5

400

y - 12 = -30

y = -18

400

-8n = -64

n = 8

400

r/8 = -3

r = -24

400

inverse operation of division

multiplication

500

p + 19 = -22

p = -41

500

s - 23 = -17

s = 6

500

-9z = 63

z = -7

500

y/-12 = 8

y = -96

500
what is the biggest difference between an expression & an equation?

equations have equal signs & a solution!!

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