Bantu dong saya baru masuk sma dan baru buat brainly 3×-9=4×+5 2 (t+3)=5 (t-1)-7 (t-3) 2 (3×+4)=6-(2×+5)

3x-9=4x+5
3x-4x=5+9
-x=14
x=-14

2(t-3)=5(t-1)-7(t-3)
2t-6=5t-5-7t+21
2t-5t+7t=-5+21-6
4t=10
t=10/4=5/2
t=2,5

2(3x+4)=6-(2x+5)
6x+8=6-2x-5
6x+8=1-2x
6x+2x=1-8
8x=-7
x=-7/8