Let x = 1970 + -1968. Solve -23 + 5 = 2*q - 5*c, -x*q - c + 6 = 0 for q.

1

Let b = -7965 + 7970. Suppose -5*f = -f - 32. Solve -b*o = -2*a - 25, o - 2*a + a = f for o.

3

Let z = -165 + 175. Suppose -z = -5*i, g - 2*i - 20 + 24 = 0. Solve g = -2*a - 5*y + 23, -10 = -a + y - 3*y for a.

4

Let j(b) = -b3 + 32*b2 - 57*b - 85. Let p be j(30). Solve -5*k + 0*k - c = 20, k = -p*c - 4 for k.

-4

Suppose -4*v = 4, -v - 14 = -4*n + v. Suppose -253 + 378 = 5*l. Suppose 2*f - n*f + l = 0. Solve 2 = 2*p + 4*w - 10, f = 5*w for p.

-4

Suppose -3176*s = -3191*s + 120. Solve 5*t + 5*x = 3*t - 10, 4*x = -t - s for t.

0

Suppose 47*b - 407 - 582 = -143. Solve -s - 21*u = -b*u + 9, 2*u + 10 = -2*s for s.

-3

Let k(y) = -4*y - 78. Let x be k(-25). Solve 4*i + 6*n = 4*n + x, 2*i = -3*n + 17 for i.

4

Let q be (-7 + (10 - 12))*(-3)/((-18)/(-16)). Solve -l = -2*j - 2*j - 9, 0 = -3*j - 5*l - q for j.

-3

Let v(z) = 17*z + 412. Let b be v(-24). Solve 5*l = 4*r, 2 = -b*l + 2*r + 8 for l.

4