X+x+54=180
2x+54=180
2x=126
x=63
63+54=117
one angle is 63, the other is 117
Percent means per 100
multiply .015 x 100 (move decimal point 2 places to the right(
answer is 1,5%
hope this helps
Answer: 14,15,29...................
|4x-9|=5x
subtract 4 to both sides
and that will give you
|-9|=x then the 9 turns positive because of the brackets
9=X
