Rozwiąż graficznie układ równań:
{ y= |3x|
{ |y|=4-|x|
{y=3x
{3x=4-x
.
{3x+x=4
{4x=4/:4
{y=3*1
{x=1
{y=3
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{y=3x
{3x=4-x
.
{y=3x
{3x+x=4
.
{y=3x
{4x=4/:4
.
{y=3*1
{x=1
.
{y=3
{x=1