Let m be -1 + (0/(-1))/1 + 2. Solve m - 21 = -5*r for r.

Suppose d = -t + 3, -4*d = -5*t - 0*t + 24. Suppose 0 = -5*o + 15, -4*n - 77 = t*o - 3*o. Let z be (-8)/n - 56/(-10). Solve 14 = -5*h - z for h.

-4

Suppose 12*q - 48 = 9*q. Solve 0*i - q = 4*i for i.

-4

Let f(a) be the first derivative of -1 - ¹⁄₄*a4 + ¹⁰⁄₃*a3 - 13*a - ⁷⁄₂*a**2. Let p be f(9). Solve p*d = -11 + 1 for d.

-2

Suppose -7 = -6*a + 29. Solve 0 = 4*h - a + 18 for h.

-3

Let k = 7 - -8. Suppose -5*u + 5 = -k. Solve 0 = -u*g - g for g.

0

Let o be 2 - 0*¹⁄₄. Solve 0 = -4*a + o*a + 8 for a.

4

Let r be (-288)/(-27) + 2/(-3). Let j be (1 + 1)/(4/r). Solve -t - j = -2 for t.

-3

Suppose 0 = 2*h - 4, 2*f + 5*h - 50 = -16. Solve 2*n + n + f = 0 for n.

-4

Suppose -o = -2*o + 2. Suppose -a + o + 2 = 2*k, -4 = -a + 2*k. Solve w = a*w for w.

0

Let n© = c3 + 12*c2 - 29*c - 14. Let x be n(-14). Let p be (⁶⁄₅)/((-1)/(-10)). Solve -3*s + 3 - p = x for s.

-3