Question:
Solve 11*d - 30*d = -7*d + 192 for d..

Answer:
-16

Question:
Solve -17*j = -116*j for j..

Answer:
0

Question:
Solve 182 = 13*o + 13*o for o..

Answer:
7

Question:
Solve 97*h = 1476 - 4192 for h..

Answer:
-28