QUESTION: Math problem: Solve 20*r + 21 + 22 = -77 for r.
ANS: -6
QUESTION: Math problem: Solve -98 - 588 + 249 = -224*h + 1803 for h.
ANS: 10
QUESTION: Math problem: Solve 43 = j + 43 for j.
ANS: 0
QUESTION: Math problem: Solve 28*v + 6114 = 211*v - 6809 - 7756 for v.
ANS:
113