Tugasan 3 (b)

Tugasan 3 (b)A : X1 + 450 = X2 + 610 X1 - X3 = 100B : X1 + 100 = 270 + X2 X1 - X2 = 170C : X2 + 2x3 = 120 + X3X2 - X3 = 120

= R2 R1 -> = R3 R2 -> = R1 + R3 -> =R2 + R3 -> =