Solve for t: 3t + 4 = -4

t = - 8/3

Step-by-step explanation:

3t = -4 -4 : Separate the constants and variables

3t= -8 : Add the numbers

3t/3 = -8/3 : Divide both sides by 3

t = -8/3: Simplify

Hope that helps

step-by-step explanation:

where is the questions

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.