Tolong dibantuuuuuuuuu

A. 3(4x+1)= 5x+24
12x+3=5x+24
12x-5x=24-3
7x= 21
x= 3

b. 2(2y-2)=5(y-2)
4y-4= 5y-10
-4 +10= 5y-4y
6= y