Solve the Mystery

Solve for X

100

X - 2 = 4

X = ?

X = 6

200

9 - X = 7

X = ?

X = 2

300

25 + X = 45

X = ?

X = 20

400

X ÷ 4 = 5

X = ?

X = 20

500

X + X = 12

X = ?

X = 6

Solve for Y

100

3 + Y = 9

Y = ?

Y = 6

200

4 - Y = 1

Y = ?

Y = 3

300

45 - Y = 30

Y = ?

Y = 15

400

Y x 7 = 42

Y = ?

Y = 6

500

Y x Y = 25

Y = ?

Y = 5

Solve for Z

100

2 + Z = 7

Z = ?

Z = 5

200

Z - 8 = 2

Z = ?

Z = 10

300

60 - Z = 20

Z = ?

Z = 40

400

Z ÷ 4 = 6

Z = ?

Z = 24

500

Z + Z + Z = 15

Z = ?

Z = 5

Right or Wrong # 1

100

3 + N = 7

N = 6

Wrong

N = 4

200

N - 7 = 3

N = 4

Wrong

N = 10

300

N - 35 = 15

N = 15

Wrong

N = 50

400

N x 4 = 28

N = 7

Right

500

21 ÷ N = 3

N = 8

Wrong 

N = 7 

Right or Wrong # 2

100

6 + N = 9

N = 3

Right

200

S - 5 = 4

S = 1

Wrong

S = 9

300

36 + Q = 45

Q = 11

Wrong

Q = 9

400

7 x M = 35

M = 4 

Wrong 

M = 5

500

R ÷ 6 = 4

R = 26

Wrong 

R = 24