Let k be 2⁄10 + 3/(-15). Suppose -2*a + 2 + 2 = k. Solve a*d + 0*d = 0 for d.
0
Suppose 0 = 3*u + 1 - 7. Solve a + u = -a for a.
-1
Suppose -x = -2*x - 4, 0 = -2*a - x + 6. Let u be (0 + 3)*a/3. Let m(b) = 2*b - 1. Let p be m(u). Solve 4*v = v + p for v.
3
Let d(h) = -h + 1. Suppose 3*x - 4*l + 5*l - 24 = 0, -l = 3. Suppose 2*t - 5*j - x = 0, 5*t + 6 = j + 2*j. Let a be d(t). Solve -3*c = a - 1 for c.
-1
Suppose 5*y = 3*y + 4*y. Solve y = -3*r - 12 for r.
-4
Let u = 21 - 6. Let f = -11 + u. Let q(v) = -v**2 + 4*v + 1. Let n be q(4). Solve 13 = f*t + n for t.
3
Let k(l) be the first derivative of -l4⁄4 + 2*l3 + l**2 - 6*l - 2. Let s be k(6). Suppose p - s*p = -15. Solve 0 = p*f - 0*f - 12 for f.
4
Let f be 12/(-20) - (-58)/5. Solve -4*b - f = 5 for b.
-4
Suppose i = 0, 20 = 4*q - 4*i + 3*i. Solve g - 3 + q = 0 for g.
-2
Suppose o = -o + 4. Solve -o*x - 2*x - 20 = 0 for x.
-5