Two equations

Solve equations (use adding and subtracting of linear equations):

-4x+11y=5
6x-11y=-5

Final Answer:

x =  0
y =  0.4545

Step-by-step explanation:


-4x+11y=5
8x-11y=-5

-4·x+11·y=5
8·x-11·y=-5

4x-11y = -5
8x-11y = -5

Pivot: Row 1 ↔ Row 2
8x-11y = -5
4x-11y = -5

Row 2 - 4/8 · Row 1 → Row 2
8x-11y = -5
-5.5y = -2.5


y = -2.5/-5.5 = 0.45454545
x = -5+11y/8 = -5+11 · 0.45454545/8 = 0

x = 0
y = 5/11 ≈ 0.454545

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