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100

6+Y=13

What is 7?

100

9-Y=-4

What is 13?

100

6(R)=18

What is 3?

100

2/R=0.5

What is 4?

100

5+2+R=-2

What is -9?

200

Y+9=17

What is 8? 

200

Y-7=5

What is 12?

200

R(5)=45

What is 9?

200

R/5=0.40

What is 2?

200

T-8=4

What is 12?

300

9+12+T= 25

What is 4? 

300

Y-17=6

What is 23?

300

8(S)= 64

What is 8?

300

5/R=0.625

What is 8?

300

7(S)=49

What is 7?

400

8+R+12=13

What is -7?

400
8-S=-7

What is 15?

400

D(9)=36

What is 4?

400

9/T=0.5

What is 18?

400

R/4=0.75

What is 3?

500

3+4+9+L= 14

What is -2?

500

Z-12=4

What is 16?

500

5xL=100

What is 20?

500

W/5=0.20

What is 1?

500

7+Z=-1

What is -8?