Question

2, 3x-11-2x-9/2=x-2/3

Answer 1

• 2.3x-2x-x=-2/3+11+9/2
• 0,3x-x=11 9/2+2/3
• -0,7x=31/2+2/3
• -0,7x=97/6
• x=23,1

Answer 2

Неправильно

Answer 3

2,3х-2х-х=11+9/2-2/3
-0,7х=66/6+27/6-4/6=89/6
Х=-89/6.. /.. 7/10=-89/6*10/7=-890/42
Х=-890/42.. ~-21,2