Sagot :
Answer:
2x+8=9x-6
8+6=9x-2x. (Combine like terms)*Change the sign
7x=14. (Perform operation) 9-2=7 8+6=14
7x/7 =14/7. (Divide to 7 to find x)
x=2
x+10=20-x
x+x=20-10
2x=10
2x/2=10/2
x=5
11-x=5x-7
5x+x=11+7
6x=18
6x/6=18/6
x=3
14x-8=10x+20
14x-10x=20+8
4x=28
4x/4=28/4
x=7