413502
contestada

Emma started with a number, multiplied by 3, subtracted 7, divided by 2, and added 16 for a total of 74. With which number did Emma begin?

Respuesta :

Emma began with 41

(x*3-7)/2+16=74
3x-7+32=148
3x+25=148
3x=148-25=123
x=123/3= 41