Answer: x= 25
Step-by-step explanation:
28+47+ y(some number)= 180
solve for y to get 75 and since 75=3x x=25
Answer:
x=45
Step-by-step explanation:
a line = 180
47 + 28 = 75
180-75= 105
105+ 3x =180
now solve for x
3x + 105 =180
3 3
x + 105 = 60
x= 45