Ответ:
8х+21-6х=4х+3
2х-4х=3-21
-2х=-18
х=-18:(-2)
х=9
23-12х-32=1-17х
-12х+17х=1-23+32
5х=10
х=10:5
х=2
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Ответ:
8х+21-6х=4х+3
2х-4х=3-21
-2х=-18
х=-18:(-2)
х=9
23-12х-32=1-17х
-12х+17х=1-23+32
5х=10
х=10:5
х=2