Help me to solve 9x- 7 by 3 x+5 =3x -4 by x+6
Answers
Answered by
2
9X-7/3X+5= 3X-4/X+6
(X+6)(9X-7)= (3X+5)(3X-4)
9X²-7X+54X-42 = 9X²-12X+15X-20
9X²-9X²+47X+12X-15X+20-42 = 0
44X - 22 = 0
44X = 22
X = 22/44 = 1/2
X = 1/2
(X+6)(9X-7)= (3X+5)(3X-4)
9X²-7X+54X-42 = 9X²-12X+15X-20
9X²-9X²+47X+12X-15X+20-42 = 0
44X - 22 = 0
44X = 22
X = 22/44 = 1/2
X = 1/2
Similar questions