question: Teacher asked me this: Solve -4*d - 30 = -14*d for d.
++++++++++
answer: 3
Solve 38*d - 140 = 58*d + 260 for d.
Solve this plz.

A: -20
QUESTION: Math problem: Solve -2 = -4*r - 6 for r.
ANS: -1
Q: What is the solution?
Solve 111*z = 126*z - 120 for z.

A: 8
Write down the solution for this math problem: Solve -8*t = -16*t + 24 for t.
answer: 3
Q: Solve:
Solve -63*f - 1907 - 991 = 0 for f.

A:
-46