22 2/5(5/16х-3/7)-35 1/10(9/13х-4/9)=-45 9/10
112/5(5/16х-3/7)-351/10(9/13х-4/9)=-459/10
7х-48/5-243/10х+78/5=-459/10
7х-24 3/10х=-459/10+48/5-78/5
-17 3/10х=-459/10-30/5
-17 3/10х=-459/10-60/10
-173/10х=-519/10
х=-519/10÷(-173/10)
х=519/10×10/173
х=3