Q: Solve -63*a + 21*a + 420 = 0 for a.

A: 10
Q: Solve:
Solve 10*z = -46 - 14 for z.

A: -6
Question: What is the solution?

Solve 256 = 72*r - 8*r for r.

Answer: 4
Problem: Math Problem
Solve 3076*d = 2317*d + 58443 for d.

A: 77
Question:
Solve -511*k + 5429 = -1250*k + 650*k for k..

Answer:
-61
Q: What is the solution?
Solve -23*p + 163*p + 7*p = -294 for p.

A:
-2