jika x dan y adalah penyelesaian dari sistem persamaaan 2(x-3)+y=3 dan 3 (x-3 )dan 3(x-3)-y=7 nilai dari 4x - y adalah​

6 lb = 96 oz 2 lb = 32 oz
96 + 4 = 100 32 + 10 = 42
100 - 42 = 58 58 oz
58 / 16 = 3 10/16 3 lb 10 oz
Answer: 3 lb 10 oz

Answered by iloveonedirection | 2024-06-10

(6 pound 4 oz) - (2 pounds 10 oz) = 3.62500 pounds

Answered by Hilda1383 | 2024-06-10

To subtract 6 lb 4 oz and 2 lb 10 oz, we first convert everything to ounces. After calculating, we find the result is 58 ounces, which converts back to 3 lb 10 oz. Therefore, the final answer is 3 lb 10 oz.
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Answered by iloveonedirection | 2024-12-23

Penyelesaian[tex]2(x - 3) + y = 3[/tex][tex]3(x - 3) - y = 7[/tex][tex]2x - 6 + y = 3[/tex][tex]2x + y = 9 \quad (A)[/tex][tex]3(x - 3) - y = 7[/tex][tex]3x - 9 - y = 7[/tex][tex]3x - y = 16 \quad (B)[/tex][tex]2x + y = 9[/tex][tex]y = 9 - 2x[/tex][tex]3x - (9 - 2x) = 16[/tex][tex]3x - 9 + 2x = 16[/tex][tex]5x - 9 = 16[/tex][tex]5x = 25[/tex][tex]x = 5[/tex][tex]y = 9 - 2(5)[/tex][tex]= 9 - 10[/tex][tex]= -1[/tex][tex]4x - y = 4(5) - (-1)[/tex][tex]= 20 + 1[/tex][tex]= 21[/tex]

Answered by vinganzbeut | 2025-08-25