Hasil dari4(3-2y)=15-7y gimana penyelesaiannya?

4(3-2y) = 15-7y
12-8y = 15 – 7y
12 – 15 = 8y – 7y
-3 = y

4(3-2y)=15-7y
12-8y  =15-7y
12-8y+8y=15-7y+8y
12   = 15+y
12-15=15+y-15
-3=y