Apabila 6+2b=a-1 berapakah nilai b jika a=5​

Jawaban:

a = 5

maka,

6 + 2b = 5–1

6 + 2b = 4

2b = 4 –6

2b = –2

b = –2/2

b= –1

Jawaban:

-1

Penjelasan dengan langkah-langkah:

6+2b=a-1

6+2b=5-1

6+2b=4

2b=4-6

2b= -2

b=-2/2

b=-1