Question

(3x-1)×(2x+7)-(x+1)×(6x-7)=7

Answer 1

x = 7/20

Explanation:

(3x - 1)(2x + 7) - (x + 1)(6x - 7) = 7

(6x² + 21x - 2x - 7) - (6x² - 7x + 6x - 7) - 7 = 0

(6x² + 19x - 7) - (6x² - x - 7) - 7 = 0

6x² + 19x - 7 - 6x² + x + 7 - 7 = 0

20x -7 = 0

20x = 7

x = 7/20