Answer:
Multiply the second equation by −2 to get −8x − 6y = −30.
Step-by-step explanation:
{2x + 6y = 12
{4x + 3y = 15
{2x + 6y = 12
{−8x − 6y = −30 >> New Equation
* Doing this will give you additive inverses of −6y and 6y, which result in 0, so they are both ELIMINATED.
** [3, 1] is your solution.
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