Answer:
No instead of doing multiplication u did division
Step-by-step explanation:
This equation is called distributive property where u multiply the answer from the outside by the inside number
16.8
1) -4x-6x+8x=2-6
-2x=-4
x=-2
2)3x-4x=12-15
-1x=-3
x=3
3) 12.5x+10.25=680-410
22.75x=270
x=11.86