Х+(540+20)=870 730-х=110

Question

Х+(540+20)=870 730-х=110

Answer 1

Х+(540+20)=870
х+560=870
х=870-560
х=310
730-х=110
х=730-110
х=620

Comments

x+(549+20)=870

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x=620

Answer 2

Х +(540+20)=870
х+560=870
х=870-560
х=310

730-х=110
х=730-110
х=620