Write down the solution for this math problem: Solve 15 = -a + 16 for a.
answer: 1

Write down the solution for this math problem: Solve -450*a + 377*a + 60450 = 733*a for a.
answer: 75

Write down the solution for this math problem: Solve 0 = 10*n + 3*n for n.
answer: 0

Write down the solution for this math problem: Solve 59*x - 1953 = 2910 + 93 for x.
answer:
84