1. 4х-5=8 2. 5х-2х+4=8 3. 7-3/4×х=16
4х=8+5 3х=8-4 -3/4×х=16/7
4х=13 3х=4 -3/4×х=2.3
х=13/4 х=4/3 х=2.3÷(-3/4)
х=3.25 х=1.3 х=3.7
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1. 4х-5=8 2. 5х-2х+4=8 3. 7-3/4×х=16
4х=8+5 3х=8-4 -3/4×х=16/7
4х=13 3х=4 -3/4×х=2.3
х=13/4 х=4/3 х=2.3÷(-3/4)
х=3.25 х=1.3 х=3.7