Let f be (-35)/70 + 6/(-4)*-5. Solve f*o = 4*o - 9 for o.

Suppose -y + 9 = 4*j, 0*y + 3*j = y - 2. Solve -y*m = -4*m + 1 for m.

-1

Let n(v) = -v2 + v + 3. Let r(z) = -z2 - z + 2. Let f be r(2). Let o be 2/f + ⁵⁄₁₀. Let k be n(o). Solve -k*u + 8*u + 15 = 0 for u.

-3

Suppose -4*n = -2*v - 22, -2*n = 3*n + 3*v. Suppose 5*z = x + 55, 0*z + n*x = -3*z + 51. Solve 2*i = -i - z for i.

-4

Let h be (1 - 23)*(-1)/2. Suppose -2 = x - h. Solve 8*l + x = 5*l for l.

-3

Let j© = c3 - 6*c2 + 4*c + 7. Let w be j(5). Solve -4 + w = -k for k.

2

Let a(q) be the second derivative of -q⁵⁄₂₀ + q⁴⁄₆ + q**³⁄₂ + 2*q. Let d be a(3). Suppose 4*b = 12 - d. Solve b*j = -0*j + 3 for j.

1

Suppose -10 = 5*h - 5*n, -2*n + 10 = -h + 2*h. Let j = -7 + 13. Solve -4 - j = -h*a for a.

5

Let n be 14 + 0 - (-2 + 4). Let l be (²²⁄₈)/((-3)/n). Let h be ²⁄₈ + l/(-4). Solve d - 4 = -h*d for d.

1

Suppose 4*k = 2*v, -6*k + 8 = -2*k. Suppose 3*h - 11 = v. Suppose 0 = -5*b - 4*f + 3, -4*f = h*b - f - 6. Solve -10 = -b*n + n for n.

5

Let q be 3 + -1 + (-2)/(-2). Suppose -4*x + h = 6 - 24, -q*x + 4 = 4*h. Solve v = -x*v + 15 for v.

3