Pflichtteil A1 - lernen mit Serlo!

\displaystyle 8+4x-0{,}5

=

\displaystyle 5x+3{,}5+x

\displaystyle 7{,}5+4x

=

\displaystyle 6x+3{,}5

\displaystyle -3{,}5

\displaystyle 4+4x

=

\displaystyle 6x

\displaystyle -4x

\displaystyle 4

=

\displaystyle 2x

\displaystyle :2

\displaystyle 2

=

\displaystyle x

$\displaystyle 8+4x-0{,}5$	$=$	$\displaystyle 5x+3{,}5+x$
	↓	fasse zusammen
$\displaystyle 7{,}5+4x$	$=$	$\displaystyle 6x+3{,}5$	$\displaystyle -3{,}5$
	↓	subtrahiere
$\displaystyle 4+4x$	$=$	$\displaystyle 6x$	$\displaystyle -4x$
	↓	subtrahiere
$\displaystyle 4$	$=$	$\displaystyle 2x$	$\displaystyle :2$
	↓	dividiere
$\displaystyle 2$	$=$	$\displaystyle x$