Question

10x-5=0
5+10x=0
2x+7=0
7x+2=0
8x-4=0
4x+8=0

Answer 1

10x-5=0
10x=5
x=0,5

5+10x=0
10x=-5
x=-0,5

2x+7=0
2x=-7
x=-3,5

7x+2=0
7x=-2
x=-2/7

8x-4=0
8x=4
X=0,5

4x+8=0
4x=-8
x=-2