Question #16f10
2 Answers
Feb 7, 2018
Explanation:
Because the lines are parallel,
Set the two equal:
Add 20 to both sides:
Divide both sides by 4 to get x by itself:
Feb 7, 2018
Explanation:
"the angles associated with parallel lines"
4x-20=84larrcolor(blue)"corresponding angles are equal"
"add 20 to both sides"
4xcancel(-20)cancel(+20)=84+20
rArr4x=104
"divide both sides by 4"
(cancel(4) x)/cancel(4)=104/4
rArrx=26