If (4x+3y)/(4x-3y)=43/13,then what is the value of x/9;
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Step-by-step explanation:
4x + 3y / 4x - 3y = 43 / 13
Using cross multiplication:
(4x + 3y ) × 13 = 43(4x - 3y)
52x + 39 y = 162x - 129y
39y + 129 y = 162x - 52 x
168y = 110x
x = 168y/110 = 84y/55
x/9 = 84y/55 ×9 = 24y/55 ×3 = 6y/55 [if its not wrongly typed as x/9
[x/y = 168/110 = 84/55]
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