Question

10x - 26y=-38
6x + 13y=28

Answer 1

Answer:

$\displaystyle [\frac{9}{11}, 1\frac{111}{143}]$

Step-by-step explanation:

{10x - 26y = −38

{6x + 13y = 28

½[10x - 26y = −38]

{5x - 13y = −19 >> New Equation

{6x + 13y = 28

___________

$\displaystyle \frac{11x}{11} = \frac{9}{11}$

$\displaystyle x = \frac{9}{11}$[Plug this back into both equations above to get the y-coordinate of 1 111⁄143]; $\displaystyle 1\frac{111}{143} = y$

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