R_1 = 1 ohm, R_2 = 10 ohm, R_3 = 4 ohm, R_4 = 4 ohm, R_5 = 3 ohm, R_6 = 6 ohm, R_7 = 6 ohm, V_S = 12 V Find: The equivalent resistance as seen by the source. The current through the resistors. The voltage across the resistors. The current through the source.