Question

Help Please? :) Will Give Medal! Find the value of x. A.10
B.15
C.20
D.25

Answer 1

Alrighty, so what you need to do is recall that a straight line has an angle of 180 degrees, that means that for the line that has an angle (5x+12), this angle, plus another angle, must equal 180 degrees, alright now we know that, lets look at those equivalent sides that this triangle has, those say that the angles that correspond with them are both equal, that means we can write (attached as a picture)
try to solve it with what i've told you now

Answer 2

sorry here's the picture