danaezhialocket
danaezhialocket
10-06-2017
Mathematics
contestada
2y = x + 10
3y = 3x + 15
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Banabanana
Banabanana
10-06-2017
{2y = x + 10
{3y = 3x + 15 |:3
{2y = x + 10
{y = x + 5
{2(x+5) = x + 10
{y = x + 5
{2x+10 = x + 10
{y = x + 5
{2x - x = 10 - 10
{y = x + 5
{x = 0
{y = x + 5
{x = 0
{y = 5
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