Question

8x-4=0
7x+2=0
100x+25=0
-200x+100=0
200x-100=0

Answer 1

1)8x=4
X=4/8=0,5
2)7x=-2
X= -(2/7)
3) 100x=-25
X=-(25/100)
X= - 0,25
4) - 200x=-100
X= (-100) / (-200)
X= 0,5
2)200x=100
X=100/200
X=1/2
X=0,5