Suppose 0 = -4*n + 27 - 19. Suppose 2*w - 3*w = -n. Solve -w*d - d = -4*z, -d + 7 = z for d.

Let m(u) be the second derivative of -u⁵⁄₂₀ + 2*u⁴⁄₃ - 11*u³⁄₆ - 3*u2 + 19*u. Let h be m(6). Solve 5*k = k + 5*f + 25, h = -3*k - 2*f + 13 for k.

5

Let b = 9 - -9. Let i be b*¹⁄₃ + (-2)/2. Solve 0 = -4*k + 8*k - w + 12, -20 = -i*w for k.

-2

Let f be (⁷⁰⁄₂₈)/(3/(0 + 6)). Solve 4*t - o + f*o - 4 = 0, 2*t = 3*o + 12 for t.

3

Suppose 5*h = -3*a + 8 + 32, 4*a - 15 = h. Solve 0 = -2*t + t - 3*k, 0 = 5*t - h*k - 20 for t.

3

Let d(w) = w3 + w2 + w + 5. Let z be d(-4). Let k = 44 + z. Let l be k*(¹¹⁄₃₃ - ⁵⁄₃). Solve 4*m - l*b - 24 = -b, 0 = -4*b - 16 for m.

3

Let l(v) = -8*v - 87 + 23*v + 127 + 5*v. Let m be l(-2). Let g be ¹⁸⁄₈*⁸⁄₃. Solve m = -3*w - 3*t + g, 3*t = 3*w - 5*w + 8 for w.

-2

Let d be ((-18)/(-21))/((-6)/84). Let r(i) = i3 + 13*i2 + 12*i + 4. Let o be r(d). Suppose -11 - o = -5*h. Solve g - 3*y + 3 - 13 = 0, h*g = 5*y + 22 for g.

4

Let k be ((-10)/(-4))/((1/(-6))/((-360)/216)). Solve 0 = -3*h + 3*b - 6, 0 = -2*h - k*b + 23*b + 8 for h.

1

Let z(x) = -x3 + 5*x2 + 5. Let o be z(5). Let p be ((-14)/35)/(27/(-135)). Let m = -3 + 6. Solve o*v - 20 = 4*d - p*d, v - m*d = 17 for v.

2

Suppose x - 18 = -x. Let t be 2/x + ¹²⁰⁹⁄₂₇. Let l = -34 + t. Solve 5*r + 3*o = -2*o + 35, 0 = 3*r - 5*o + l for r.

3