(0.4X+56)/(0.6X-56)=5/4

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(0.4X+56)/(0.6X-56)=5/4(0.4X+56)/(0.6X-56)=5/4(0.4X+56)/(0.6X-56)=5/4(0.4X+56)/(0.6X-56)=5/4(0.4X+56

(0.4X+56)/(0.6X-56)=5/4
(0.4X+56)/(0.6X-56)=5/4

(0.4X+56)/(0.6X-56)=5/4
(0.4X+56)/(0.6X-56)=5/4
(0.4X+56)*4=(0.6X-56)*5
1.6X+224=3X-280
1.4X=504
X=360