Question

Tolongg bantu dong nomor 11-20 yang bisa aja gapapa

Answer 1

No 11
(4)(3) - x(-6) = 0
12 + 6x = 0
6x = -12
x = -2

No. 12
(3)(3x) + (6)(4) = -12
9x + 24 = -12
9x = -12 - 24
9x = -36
x = - 4

yang lain kerjakan sendiri ya