tolong jawab besok dikumpulkan

1. a. 2(x+5) = 3x+2
b. 2x-1 < 2
2. 40-x = 15
3. 5x + 10 = 28 + 2x
5x-2x = 28 -10
3x = 18
3x/3 = 18/3
x = 6
6. 3y+5 <20
3y < 20-5
3y < 15
3y/3 < 15/3
y< 5
maka y= {....,-2,-1,0,1,2,3,4}