m - mały model
d - duży model
{m + 16 = d
{4m + 6d = 216
{4m + 6(m + 16) = 216
{4m + 6m + 96 = 216
{10m = 216 - 96
{10m = 120 /:10
{m = 12
{12 + 16 = d
{d = 28
Mały model kosztuje 12 zł a duży 28 zł
mały model = x- 16 zł
duży model = x
4* ( x-16) + 6x = 216
4x - 64 + 6x = 216
10 x = 280 / 10
x= 28
mały model x- 16 = 28-16 = 12
duży model = 28
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m - mały model
d - duży model
{m + 16 = d
{4m + 6d = 216
{m + 16 = d
{4m + 6(m + 16) = 216
{m + 16 = d
{4m + 6m + 96 = 216
{m + 16 = d
{10m = 216 - 96
{m + 16 = d
{10m = 120 /:10
{m + 16 = d
{m = 12
{12 + 16 = d
{m = 12
{d = 28
{m = 12
Mały model kosztuje 12 zł a duży 28 zł
mały model = x- 16 zł
duży model = x
4* ( x-16) + 6x = 216
4x - 64 + 6x = 216
10 x = 280 / 10
x= 28
mały model x- 16 = 28-16 = 12
duży model = 28