Answer:
x = 111°
Step-by-step explanation:
180 x (7 - 1) - (120 + 158 + 126 + 125 + 121 + 139) =
900 - 789 = 111
20 + 17y = -6 + 15y
First, regroup your terms.
Second, take away '15y' from each side.
Third, subtract '17y - 15y' to get '2y'.
Fourth, take away '20' from both sides.
Fifth, simplify '-6 - 20' to get '-26'.
Sixth, divide both sides by '2'.
Seventh, how many times goes 2 go into 26? 26 ÷ 2 = 13.

Answer:
y = -13
Let the number of blue marbles be x
number of yellow marbles = x/3
number of green = x- 90
ATQ
x + x/3 + x - 90 = 694
2x + x/3 = 784
(6x + x)/3 = 784
7x/3 = 784
x = 784 x 3/7
x = 112 x 3
x = 336
number of blue marbles = 336
Is there supposed to be a picture??
But to answer ur question when ur referring to x your referring to 1 hope this helps
Twelve million threehundred and seventy five thousand ans three