bantu please yang bisa yaa

a. 2x - 5(x-1) = 7 - 2x
2x - 5x + 5 = 7 - 2x
2x - 5x + 2x = 7 - 5
-x = 2
x = -2

b. (x+5) + x-3/2 ≤ 2
2x + 10 + x - 3 ≤ 2
3x + 7 ≤ 2
3x ≤ 2 - 7
3x ≤ -5
x ≤ -5/3

Maaf kalau salah.
Semoga membantu ^_^