200
3 + 7 + 2 X 4
What is 18
200
x + 4 - 6 = 0
What is 2
300
2 + 3 + (2 - 1)
What is 6
300
3 x 9 + ( 6 + 5 )
What is 38
300
6 - 7 + x = 4
What is 5
400
-16 + (-12)
What is -28
400
5 - 1 - (4 - 4)
What is 4
400
4 X 3 + 7 ( 12 / 4 )
What is 57
500
6 - 7 - (5 + 4)
What is -10
500
5 x 6 + 1 - 4 ( 3 - 6 )
What is -81
500
2x + 6x - 10 = 14
What is 3