Question

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Klamra 2 x-y=4
X-3/4=y-2/5

Answer 1

{2 x-y=4
{x-³/₄=y-²/₅__/*20

{2x-y=4
{20x-15=20y-8

{2x-y=4/*(-10)
{20x-20y=7

{-20x+10y=-40
{20x-20y=7
`````````````
____-10y=-33/:(-10)
_______y=3,3
2x-y=4
2x-3,3=4
2x=7,3/:2
x=3,65
{x=3,65
{y=3,3