given an electrical circuit which consists of resistor and voltage sources, determine the current flows (i1,i2,i3, and i4) use the following values for the voltage and resistor sources: V1=20 volts V2=12 volts V3=40 volts, R1= 18 ohms R2= 10 ohms R3= 16 ohms R4= 6 ohms R5= 15 ohms R6= 8 ohms R7=12 ohms R8=14 ohms and use the given equations to determine the 4 current values.