Answer:
no solution
Explanation:
given
5x - 7x - 10 = - 2x + 9 - 10 ( collect like terms on both sides )
- 2x - 10 = - 2x - 1 (add 10 to both sides )
- 2x = - 2x + 9 ( add 2x to both sides )
0 = 9 ← not possible
This indicates the equation has no solution