Question

Two angles are supplementary.one anglemeasures 15 degrees more than 4 times the other. what is the measure of the larger angle in degress

Answer 1

X + (4x+15) = 180
5x+15=180
5x=165
x=33
4(33)+15=147. (Or you could subtract 33 from 180)
Check answer: 33+147=180 yes