Lösung 2.2:1c
Aus Online Mathematik Brückenkurs 1
Because there is an x on both the left- and right-hand sides, the first step is to subtract x/3 from both sides,
so as to collect x on the right-hand side
Then, multiply both sides by 3/2,
so that 2/3 can be eliminated on the right-hand side to give us
