(44-X)(1+1/4)+X(1-1/7)=44 X=28(44-X)(1+1/4)+X(1-1/7)=44 X=28

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(44-X)(1+1/4)+X(1-1/7)=44X=28(44-X)(1+1/4)+X(1-1/7)=44X=28(44-X)(1+1/4)+X(1-1/7)=44X=28(44-X)(1+1/4)

(44-X)(1+1/4)+X(1-1/7)=44 X=28(44-X)(1+1/4)+X(1-1/7)=44 X=28
(44-X)(1+1/4)+X(1-1/7)=44 X=28
(44-X)(1+1/4)+X(1-1/7)=44 X=28

(44-X)(1+1/4)+X(1-1/7)=44 X=28(44-X)(1+1/4)+X(1-1/7)=44 X=28
(44-X)(1+1/4)+X(1-1/7)=44
(44-X)(5/4)+X(6/7)=44
两边乘28
35(44-X)+24X=1232
1540-35X+24X=1232
35X-24X=1540-1232
11X=308
X=308÷11
X=28

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