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Nyatakan bila gan berikut dalam pangkat positif dan sederhanakan .(X^6y^5):(X^5y^3) |
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Answer» Answer: Step-by-step explanation: Solution: You can subtract the second EQUATION from the first equation to eliminate y: 7x + y = 25 – 6x + y = 23: 7x – 6x = X; y – y = 0; 25 – 23 = 2 x = 2 You could also SOLVE one equation for y and substitute that value in for y in the other equation: 6x + y = 23 → y = 23 – 6x. 7x + y = 25 → 7x + (23 – 6x) = 25 → x + 23 = 25 → x = 2 I HAVE SOME EX SUMS REFER DOWN _____________________________ Example sum ❤ x + 2y = 5 Put the value of x = 0 in the equation x + 2y = 5 0 + 2y = 5 2y = 5 2y/2 = 5/2 y = 5/2 (0, 5/2) Put the value of y = 0, x + 2 × 0 = 5 x = 5 (5, 0) Put the value of x = 2, 2 + 2y = 5 2 – 2 + 2y = 5 - 2 2y = 3 2y/2 = 3/2 y = 3/2 (2, 3/2) Put the value of y = 2, x + 2 × 2 = 5 x + 4 = 5 x + 4 – 4 = 5 – 4 x = 1 ___________________________ HOPE IT HELPS YOU ❤ |
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