x, y, z = var('x,y,z')
eq1 = 2*x + 3*y - z == 0
eq2 = 5*x - 3*y + z == 7
eq3 = 8*x + 9*y -3*z == 2

solve([eq1, eq2, eq3], x,y,z)

SageDays/Kreyszig-6.review-32 (last edited 2010-08-11 21:42:02 by bhanukiran)