X - 78% x = 2.2 X + 30% x = 26 2X + 78x = 3.3

X - 78% x = 2.2 X + 30% x = 26 2X + 78x = 3.3

X - 78% x = 2.2
22x = 2.2%
0.22x=2.2
x=10
X + 30% x = 26
1.3x=26
x=20
2X + 78x = 3.3
2.78x=3.3
x=330/278
x=165/139