Question

1. 3 + 6z = 4z + 7
2. 1 - 3a = 2 - 4a

Tolong jawab dengan caranya.

Answer 1

3 + 6z = 4z + 7
6z - 4z = 7 - 3
2z = 4 
z = 2


1 - 3a = 2 - 4a
-3a + 4a = 2 -1 
a = 1


maaf kalo salah

Answer 2

1. 3+6z=4z+7
=3+6z-4z-7
=2z-4
2. 1-3a=2-4a
=1-2-3a+4a
=a-1