Proszę o rozwiązanie jednego przykładu:) : {4x-2y=6
{3x+6y=12To ukłąd równań pierwszego stopnia z dwoma niewiadomymi
{ 4x - 2y =6 / *(-3)
{ 3x + 6y = 12 / *4
{-12x + 6y = -18
{12x + 24y = 48
30y = 30 / :30
y = 1
12x + 24 * 1 = 48
12x + 24 = 48
12x = 48 - 24
12x = 24 / : 12
x = 2
{x= 2
{y= 1
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{ 4x - 2y =6 / *(-3)
{ 3x + 6y = 12 / *4
{-12x + 6y = -18
{12x + 24y = 48
30y = 30 / :30
y = 1
12x + 24 * 1 = 48
12x + 24 = 48
12x = 48 - 24
12x = 24 / : 12
x = 2
{x= 2
{y= 1