tolong jawab ya 1.2x-5(x-5)=2(2x+3) 2.sd-9=3(2d+7) 3.4(2y-3)=5(2y+3)

3. 8y-12=10y+15
8y-10y=15+12
-2y=27
y = 27/-2
y = 13,5

1. 2x-(5x+25) = 4x + 6
2x-5x+25 = 4x + 6
2x - 5x -4x = 6 -25
-7x = -19
× = -19/-7
x = 2,7