Let u = 93 - 90. Solve 19 = -4*a + u for a.

-4

Suppose 5*j + 2*o - 14 = 0, 5*j + 0*o - 12 = -o. Solve 0 = 3*i + j*i + 20 for i.

-4

Let v(o) = -2*o - 8. Let f be v(-6). Suppose 3*s = -3*m + 3, -m = -f*s - 0*s - 6. Suppose 3*a = -m*i + 14, -a + 0*a + 22 = 5*i. Solve -a*k - 2 = 6 for k.

-4

Let m = -12 - -15. Solve -10*g + 7*g = m for g.

-1

Let i(t) = -2*t**2 + 2. Let a be i(-2). Let k be 1 + (-3)/a*4. Solve 0 = -p - 0 + k for p.

3

Let o(q) = q2 - q - 5. Let t be o(-4). Let m(a) = a3 - 9. Let p be m(0). Let i = p + t. Solve -i*y + y - 15 = 0 for y.

-3

Suppose y - 4*y + 28 = -4*b, -y + 2*b + 12 = 0. Let v = 34 + -28. Solve y = -5*m - v for m.

-2

Let i(y) = y3 - 6*y2 - 7*y + 2. Let g be i(7). Let d = -3 - -3. Suppose v = 5*h - 22, d = -2*h - h - 4*v + 27. Solve -g*r = -h*r - 9 for r.

-3

Let x(l) = -4*l - 23. Let j be x(-7). Solve -j*f = 24 - 4 for f.

-4

Suppose 0 = -3*t - 3*t + t. Suppose -l = l - 4*p - 12, 2*p = -6. Suppose 5*r - 3*a - 15 = l, -r - a + 3 = -5*a. Solve r*k - 2*k + 5 = t for k.

-5