x-5= 0
move -5 to the other side
sign changes from -5 to +5
x-5+5= 0+5
x= 5
x-6= 0
x-6+6= 0+6
x= 6
Answer: B. 5 and 6
<em><u>Look at the attached picture⤴</u></em>
<em><u>Hope it will help u....:)</u></em>
