(8x+5):(5x-5)=9:4

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(8x+5):(5x-5)=9:4
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(8x+5):(5x-5)=9:4
(8x+5):(5x-5)=9:4

(8x+5):(5x-5)=9:4
(8x+5):(5x-5)=9:4
9(5x-5)=4(8x+5)
45x-45=32x+20
45x-32x=20+45
13x=65
x=5

9(5x-9)=(8x+5)x4
45x-81=32x+20
13x=101
x=7