100
x + 4 = 25
What is 21
200
a + 13 = 10
What is -3
200
d - 7 = -9
What is -2
200
x/4 = -14
What is -56
300
n + (-8) = -14
What is -6
300
k - (-83) =121
What is 38
300
-5e = -400
What is 80
400
x + 36 = -100
What is -136
400
x - 327 = -665
What is -338
400
-11x = 275
What is -25
400
-28 = a/-13
What is 364
500
-27 = c + 27
What is -56
500
a - (-163) = -392
What is -555
500
-21y = -756
What is 36
500
-80 = x/15
What is -1200