tolonggggg 15 poin aja ya​

tolonggggg 15 poin aja ya​

Jawaban dan Penjelasan dengan langkah-langkah:

a) 3a-12=8-6a-2

3a+6a=8-2+12

9a=18

a=2

b) 2y+7=5y-11

2y-5y=-11-7

-3y=-18

y=6

c)

[tex]4-\frac{2}{p}=8+\frac{1}{2} \\-\frac{2}{p}=8+\frac{1}{2}-4\\-\frac{2}{p}=4\frac{1}{2} \\-\frac{2}{p}=\frac{9}{2} \\9p=-4\\p=-\frac{4}{9}[/tex]

d) 2t+7=5t-11

2t-5t=-11-7

-3t=-18

t=6