Rozwiąż równania.
{ 8a+9b = 36
{ a - 16b = 210 / *-8
+{ -8a+128b = -1680
137 b = -1644 / : 137
b = -12
{ 8a + 9b = 36 / * 16
{a - 16b = 210 / * 9
{128a + 54b = 576
{9a - 54b = 1890
137 a = 2466 / : 137
a = 18
_____________________
{6a - 21b = 228
{ a - 12b = 21 / *-6
+{-6a +72b = -126
51b = 102 / : 51
b = 2
{6a - 21b = 228 / *12
{ a - 12b = 21 / * -21
{72a - 252b = 2736
+{-21a + 252b = -441
51a = 2295 / :51
a = 45
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{ 8a+9b = 36
{ a - 16b = 210 / *-8
{ 8a+9b = 36
+{ -8a+128b = -1680
137 b = -1644 / : 137
b = -12
{ 8a + 9b = 36 / * 16
{a - 16b = 210 / * 9
{128a + 54b = 576
{9a - 54b = 1890
137 a = 2466 / : 137
a = 18
_____________________
{6a - 21b = 228
{ a - 12b = 21 / *-6
{6a - 21b = 228
+{-6a +72b = -126
51b = 102 / : 51
b = 2
{6a - 21b = 228 / *12
{ a - 12b = 21 / * -21
{72a - 252b = 2736
+{-21a + 252b = -441
51a = 2295 / :51
a = 45