5x-13y = 12 and 7x+ 11y = 6 by elimination method
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Answer:
y=-3/8, x=81/56
Step-by-step explanation:
7x+11y=6, 5x-13y=12. multiplying first by 5 and second equation by 7, then adding 3rd -4th we get 35x+55y=30; 35x-91y=84.
-146y=54 or y=-3/8.
From equation first and value of y we get, 7x-11×3/8=6; or, 56x-33=48 or x=81/56
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