Question

simplyfy by taking LCM
3x-4x=-3x+10-5​

Answer 1

$3x - 4x = - 3x + 10 - 5 \\ - x = - 3x + 5 \\ - x + 3x = 5 \\ 2x = 5 \\ x = \frac{5}{2} \\ x = 2.5$

Answer 2

3×-4=12 -4=8=3×10=30-5=25