Tolong yaa kak, mau dikumpulkan hari ini..

jawabannya difoto
maaf kalau salah

A.
5a+7=2a-5
5a-2a = -5 -7
3a = -12
a= -4

B.
15m+9 =5 +14 m
15m -14 m = 5 -9
m = -4

C.
4(x+2) -3(2)-5x =5 (3x-2)
4x +8 -6 -5x = 15 x -10
4x -5x -15 x = -10 -8 +6
-16 x =-12
16x =12
x =12/16
x=3/4

D.
3x-7 >_ x+8
3x-x >_ 8+7
2x >_ 15
x >_ 15/2