Suppose -20 = 2*m + 5*s, 5 + 3 = -5*m - 2*s. Solve -q = -m*q for q.
0
Suppose -2*j - 18 = -l - 7*j, 0 = -5*j + 15. Solve 0 = s + l*s - 12 for s.
3
Let c be (-1)/1 + 3 - 9. Let u = -14 - c. Let i(w) = w + 7. Let k be i(u). Solve k*t - t - 5 = 0 for t.
-5
Let m = 2 - -1. Suppose x - 15 = -5*o, m*o - 2*x = -3 - 1. Solve -3*r - 2 = -o*r for r.
-2
Suppose -4*n = -2*b - 14, -4*n = b - 4 - 7. Let g = n - 9. Let v be 7⁄3 + (-4)/g. Solve -f = -4*f - v for f.
-1
Let a = -25 + 34. Solve -w + a = -4*w for w.
-3
Let s be (0 - -1)*(-1)/(-1). Let l = s + 18. Solve -3*g + 7 - l = 0 for g.
-4
Let a© = -c3 + 4*c2 - 4*c + 3. Let t be a(2). Suppose -2*p - 5 = t*p. Let q = p + 1. Solve 5*z - z + 8 = q for z.
-2
Suppose 0 = 9*r - 7*r - 4. Solve 0 = -5*j + r*j + 9 for j.
3
Suppose 3*d - 132 = 7*d. Let j = 54 + d. Solve -j = -3*b - 9 for b.
4