Question

solve 1,2,3,4,5,6.. ​

Answer 1

$15(x - 9) - 2(x - 12) + 5(x + 6) = 0 \\ 15x - 135 - 2x + 24 + 5x + 30 = 0 \\ 20x - 2x - 135 + 54 = 0\\ 18x - 81 = 0 \\ 18x = 81 \\ x = \frac{81}{18} \\ x = \frac{9}{2} \\ x = 4.5$

Answer 2

Hope it will helps u.....