tolong dong jawabannya

a. m = 1/2
b. 3z = -28 - 11
3z = -39
z = -13
c. -4y -6y = 15-25
-10y = -10
y = 1
selanjutnya jawab ndri ya

a. 24m = 12
 m = 12/24
 m = 1/2

b. 3z + 11 = -28
3z = -28 - 11
3z = - 39
z = -13

c.