100
87+39-3_78-76+45-47
What is >?
100
3√100+76
What is 109?
200
83+67_89-45+67
What is >?
300
7x-11=31
What is x=6?
300
11x-17=60
What is x=7?
300
7568-360/4
What is 1802?
400
20x+50=250
What is x=10?
400
87-78_65-56
What is =?
400
4m+56
m=7
What is 84?
500
8x+20=84
What is x=8?
500
60x-20=100
What is x=2?