a. -2
b. 7
c. 5
d.. 16
.6. Nilai xyang memenuhi persamaan 3(x + 6) + 2(1 – 2x) = 10(x + 4) + 2 adalah ….
Plsv
________
3(x + 6 ) + 2 ( 1 – 2x ) = 10 ( x + 4 ) + 2
3x + 18 + 2 – 4x = 10x + 40 + 2
3x – 4x + 18 + 2 = 10x + 42
– x + 20 = 10x + 42
– x – 10x = 42 – 20
– 11x = 22
x = 22/- 11
x = – 2
Jawab = A