Step-by-step explanation:
Angle 128 ° + Angle Y = 180 °
Y = 180 - 128
= 52 °
5x + 3 + Y = 180
5x + 3 + 52 = 180
5x + 55 = 180
5x = 180 - 55
5x = 125 °
x = 125 ÷ 5
x = 25
Answer:
2%
Step-by-step explanation:
Set up the problem with the numbers given to you
x 100
-0.022058823529412 x 100
-2.205882352941176
Don't forget that it's absolute value and that you round to the nearest percent
2%
X=5 if you are to substitute 5 for the x’a you should get 69