1) 1,8х=63
х=63/1,8
х=35
2) х+х+2х=36-4
4х=32
х=8
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Answers & Comments
1) 1,8х=63
х=63/1,8
х=35
2) х+х+2х=36-4
4х=32
х=8
4х+4=36
4х=36-4
4х=32
х=32/4
х=8