Question

Encontre o valor de r.
4r-3=3(3r+4)4r−3=3(3r+4)

Answer 1

4r-3=3(3r+4)

4r - 3 = 9r + 12 ==> 9r - 4r = - 3-12 ==> 5r = - 15 ==> r = - 3