6x+3y=-12
6x+2y=-4
6x+3y=-12
6x+2y=-4
Solve the following system:
{6 x+3 y = -12 | (equation 1)
6 x+2 y = -4 | (equation 2)
Subtract equation 1 from equation 2:
{6 x+3 y = -12 | (equation 1)
0 x-y = 8 | (equation 2)
Divide equation 1 by 3:
{2 x+y = -4 | (equation 1)
0 x-y = 8 | (equation 2)
Multiply equation 2 by -1:
{2 x+y = -4 | (equation 1)
0 x+y = -8 | (equation 2)
Subtract equation 2 from equation 1:
{2 x+0 y = 4 | (equation 1)
0 x+y = -8 | (equation 2)
Divide equation 1 by 2:
{x+0 y = 2 | (equation 1)
0 x+y = -8 | (equation 2)
Collect results:
Answer: | x = 2 and y=-8