Let d(z) = -2*z + 4. Let w be d(2). Solve 5*k + w*k = 20 for k.

4

Let n = -1 + 13. Let u = n - 7. Solve u*r + 0*r = -10 for r.

-2

Let u be (-3)/1*(-20)/30. Solve 4*j - 2*j - u = 0 for j.

1

Let i = -5 - -8. Suppose -8 = -i*f - 2*n, -3*f - 2*f + 2*n - 8 = 0. Solve f = 2*g + g + 9 for g.

-3

Let j be 2050 + 1610. Solve -2*u - j*u + 8 = 0 for u.

2

Let f(o) = o**2 + 3*o + 4. Let v be f(-4). Suppose 0 + v = 4*z. Solve 0 = x - 3*x - z for x.

-1

Suppose 44 + 51 = 5*c. Suppose -3*o + c = 5*r, 5*o - 5*r - 6 = -1. Suppose b - 2*w - o = -w, 5*b - w - 19 = 0. Solve -b = l + 1 for l.

-5

Let i(q) = q - 2. Let n be i(5). Let g(b) = -b + 5. Let h be g(n). Solve -h*t = -4*t + 2 for t.

1

Let j = -346 + 349. Let c(y) = -y3 + 2*y2 + 3y. Let b be c(3). Let g be (-2 - 1)(b - 1). Solve 0 = j*s + g - 12 for s.

3

Let k be -1 - (82 - 9). Solve -3*y + 2 = -k*y for y.

-2