The voltage at terminal a is -8 volts and the voltage at terminal b is 5 volts. what is the voltage difference between the two terminals?

Voltage difference is 13 volts

Step-by-step explanation:

If voltage A () is -8 volts, and voltage B () is 5, the voltage difference is calculated via the formula  

When estimating a difference between quantity A and another quantity B it is custom to perform the difference built as the last quantity mentioned, minus the first one.

2.83941151 would be the answer you're looking for! : )

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18