(3y+56)/(4y+35)=4/3,怎么算(要过程)

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(3y+56)/(4y+35)=4/3,怎么算(要过程)

(3y+56)/(4y+35)=4/3
3(3y+56)=4(4y+35) (移项)
9y+168=16y+140
28=7y
y=4

(3y+56)/(4y+35)=4/3
(3y+56)×3=(4y+35)×4
y=4