El profesor se sorprenderá mucho al ver tu solución correcta😉
21*x ---- + 51 x 4 x - - --------- = 2*x + - - + 1 2 3 2
1/2*x-1/3*(21/4*x+51) = 2*x+(-1/2*x+1)
1/2*x-1/3*21/4*x-1/3*51 = 2*x+(-1/2*x+1)
1/2*x-1/3*21/4*x-1/3*51 = 2*x+-1/2*x+1
-17 - 5*x/4 = 2*x+-1/2*x+1
x = 18 / (-11/4)
suma
-72 ---- 11
=
-72 ---- 11
producto
-72 ---- 11
=
-72 ---- 11
-72/11