a.2a+1=a-3
b.18+7x=6x-8
c.2x-1/2=3/2
tolong bantu jawab ya soalnya besok dikumpulkan
Tentukan penyesaian dari:
Jawaban:
Hasil dari :
a).
2a + 1 = a – 3
2a – a = -3 – 1
a = -4
b).
18 + 7x = 6x – 8
7x – 6x = -8 – 18
x = -26
c).
2x – 1/2 = 3/2
2x = 3/2 + 1/2
2x = 4/2
2x = 2
x = 2/2
x = 1
Jawaban Detail
Jawaban:
a) 2a – a =-3 – 1
a= -4
b) 7x- 6x = -8 – 18
x = -26
c) 2x = 3/2 + 1/2
2x = 2
x = 1
maaf kalo salah