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{7x+6y=2
{-8x - 6y = -4
{7x +6y = 2
-8x - 6y + 7x + 6y = 2 - 4
-x = -2 /:(-1)
x = 2
4 *2 + 3y = 2
8 + 3y = 2
3y = -6 /:3
y = -2
{x = 2
{y = -2
Myślę, że będzie dobrze. Pozdrawiam.! ;**
{7x+6y=2
{ -8x -6y = -4
{ 7x +6y =2
{-x = -2 / *(-1)
{ 4x+ 3y= 2
{ x= 2
{ 8 + 3y = 2 /-8
{ x=2
{ 3y = -6 /:3
{ x=2
{y = -2
{7x + 6y = 2
{-8x - 6y = -4
+{ 7x + 6y = 2
-------------------
-x = -2 / * -1
x = 2
4 * 2 + 3y = 2
8 + 3y = 2
3y = 2-8
3y = -6 /:3
y = -2