Respuesta :
4x-3=12
add 3
4x=15
divide 4
x=15/4
x=12/4+3/4
x=3+3/4
x=3 and 3/4
answer is 3 and 3/4
add 3
4x=15
divide 4
x=15/4
x=12/4+3/4
x=3+3/4
x=3 and 3/4
answer is 3 and 3/4