Find two supplementary angles if the measure of the first angle is three times the measure of the second

Question

campbell_st · Answer

so let the smaller angle be x

the larger angle is 3x

then 

3x + x = 180

the rule for supplementary angles

now solve for x

anonymous · Answer

Angles are supplementary if when you add up all the angle degrees, they sum up to 180. So, then this problem becomes algebra. One angle, let's call it x, is 3 times as large as the other angle, which we can call y. Since they are supplementary, $$x + y = 180$$.
Since x is 3 times as large as y, 
$$x = 3y$$
We can substitute this back in to $$x + y = 180$$ to get $$y + 3y = 4y = 180$$
dividing both sides  by 4, we get $$y = 4$$ Since we know the relationship$$x = 3y$$
we can substitute y =45 back in to get$$x = 3*(45) = 135$$
so x = 135 and y = 45

anonymous · Answer

Omg thank you so much guys it worked out for me! Is it ok If I message you guys if I get lost again?