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6(9x + 6y) = 3a + 2b6(bx - ay) = 3a - 2b find X and y |
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Answer» Answer: 6(9x+6y)=3a+2b i 6(bx-ay)=3b-2a ii 54x+36y=3a+2b X=(3a +2b-36y) / 54 iii PUTTING in equation 2 6(b{(3a +2b-36y)/54}–ay)=3b-2a 6((0.05ab+0.03b^2-0.6by)-ay)=3b-2a 0.3ab+0.18b^2-3.6by- 6ay=3b-2a -3.6by-6ay=- 0.3ab -0.18b^2+3b-2a Y= ( -0.3ab-0.18b^2+3b-2a)/(3.6b+6a) answer value of y in equation 3 X=3a+2b-36y/54 X=(3a +2b-36 {( - 0.3ab-0.18b^2+3b-2a)/(3.6b+6a)})/54 X=3a+2b-1/54 (1/(3.6b+6a))(10.8ab+6.4b^2-108b+72) answer Step-by-step explanation: |
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