We have 5x + 4y = 9 and 3x + 2y = 5. We need to find 4x + 3y.
Here we don't need to find x and y. The required result can be obtained by adding 5x + 4y = 9 and 3x + 2y = 5
=> 5x...
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We have 5x + 4y = 9 and 3x + 2y = 5. We need to find 4x + 3y.
Here we don't need to find x and y. The required result can be obtained by adding 5x + 4y = 9 and 3x + 2y = 5
=> 5x + 4y + 3x + 2y = 9 + 5
=> 8x + 6y = 14
=> 2(4x + 3y) = 14
=> 4x + 3y = 14/2
=> 4x + 3y = 7
We get 4x + 3y = 7.