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#