2(3x - 2) - 11x = -5x
6x-2 - 11x=-5x
10x-2
12x
I think it right
811+37=848. Because 700+37=737
737+37=774
774+37=811
811+37=848
Personally, I would recommend reading this as a fraction, and splitting up mantissa from the power of 10. (Mantissa refers to the number 1.23 in
.)

Now just reduce each fraction:


So

since
.