Suppose 15 = -2*n + 3*r, -20 = 4*n - 7*n - 4*r. Solve 3*d + 2*d = n for d.

0

Suppose 5*g + 3*l = 6*l + 59, -4*l = -3*g + 42. Suppose 2*n - 5*p + 16 = 0, n + 0*p + 2*p = g. Let j = -2 + n. Solve f + 0 + 3 = j for f.

-3

Let x(l) = -6*l - 3. Let a be x(-4). Suppose 5*v = -5*p + 45, 5*p = -v - 0*p + a. Suppose v*j - j = 0. Solve j = -0*h - 3*h - 12 for h.

-4

Let f be 7⁄2 + (-4)/(-8). Suppose f*k = 3 + 5. Solve -k*u + 5 = -1 for u.

3

Let y be -3*2/(-6) - -1. Suppose 3 = z + y*s + 2*s, 0 = 3*s. Suppose 3*k = -z*j + 4*j - 24, -5*k = 25. Solve 5*x + j = -1 for x.

-2

Let u(s) = 7*s + 1. Let k(d) = d**2 - d - 2. Let m be k(2). Suppose m = 5*v - 5. Let i be u(v). Solve i + 7 = -5*z for z.

-3

Let f be (3*(-7)/(-3))/(-1). Let u be (-12)/f - 2/(-7). Suppose -2*z - 3*j + 18 = 0, 0*j + 2 = j. Solve z = -u*o - 4 for o.

-5

Suppose 3*g - 53 = -20. Let q = g - 7. Solve -s + 0*s - q = 0 for s.

-4

Let z(a) = -a3 + 7*a2 - 9*a + 21. Let p be z(6). Solve 2 + 13 = -p*n for n.

-5

Let s be 4*1/((-16)/(-20)). Suppose 5*d = -0*d + 5*l + s, l - 29 = -5*d. Solve 5*f = 4*f - d for f.

-5