12.98-(3.8x-1.3x)=11.23
12.98 – 3.8x + 1.3x = 11.23
– 3,8x + 1,3x = 11,23 – 12,98
-2.5x = -1.75
x = 0.7
12.98-(3.8x-1.3x)=11.23
12.98 – 3.8x + 1.3x = 11.23
– 3,8x + 1,3x = 11,23 – 12,98
-2.5x = -1.75
x = 0.7