Hasil dari (9-2×)=(7-3×)

Sptnya soal nilai mutlak...

|9 - 2x| = |7 - 3x|
(9 - 2x)² - (7 - 3x)² = 0
(16 - 5x)(2 + x) = 0
x = 16/5 atau x = -2

HP = {-2 , 16/5}

(9-2x)=(7-3x)
9-7 =2x-3x
2 =-1x