5 times a certain number plus 6 has the same value as two times the same number minus 3 what is the number​

Can someone answer it, and plot it, for 20 points and brainliest answer? p. s. they're the same ! : )

Robin and john each a a 12 inch pizza about how many square inches of pizza did they eat? estimate how much pizza they ate

To start to solve the system of equations below, which number would you multiply in the equation -2x-5y=-1? the two equations are -2x-5y=-1 and 4x+2y=8