Question

877 есеп комектесип жибересиз бе

Answer 1

5(3-2y)-4(9-y)=3(y+5)
5*3-5*2y-4*9+4y=3y+3*5
15-10y-36+4y=3y+15
-21-6y=3y+15
-6y-3y=-21-15
-9y=-36
y=-36:(-9)
y=4