3 years ago

2y = x + 10 3y = 3x + 15

1 answer:

6 0

<span>{2y = x + 10
{3y = 3x + 15 |:3

</span>{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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