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10-06-2017
Mathematics

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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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