Let p(a) = -a + 25. Let f be p(19). Solve -20 = 2*y - f*y for y.

5

Let y(x) = x + 4*x2 - x2 + 0*x**2. Let p = 93 + -92. Let z be y(p). Solve -3*a - 5 - z = 0 for a.

-3

Suppose 11*l + 4*t = 12*l + 4, 5 = 5*t. Solve -3*d = -l*d for d.

0

Let p(v) = -2*v + 1. Let y be p(-1). Suppose 0*z = -y*z. Suppose z = -5*d + r + 25, 4*d + d - 45 = -3*r. Solve 0 = d*m - m - 15 for m.

3

Let h© = c2 - 1. Let u(k) = -11*k2 + k + 3. Let d(t) = -3*h(t) - u(t). Let l be d(-1). Solve 0*z = 3*z - l for z.

3

Suppose 0 = k - 4, -g + 10 = 4*g + 5k. Let y be -1(g - 1 - -1). Solve -4*m + 2*m = y for m.

-1

Let m be 2⁄5*(5 - 0). Suppose 4*j + 4*n = 12, -m*j - 2*n + 3 = 3*n. Solve -j*w + 3 - 7 = 0 for w.

-1

Suppose 0 = 16*n - 18*n + 6. Solve -p + n*p + 10 = 0 for p.

-5

Let f = -7 - -7. Let t(i) = i3 + 4*i2 - 4*i + 7. Let z be t(-5). Solve z + f = -w for w.

-2

Suppose 2*v + 2 = 4*b, -6 = 2*b - 4*v + 2. Solve 0 = b*r + 3*r for r.

0