45х+24,75=90
45х=90-24,75
45х=65,25
х=65,25/45
х=1,45
Ответ х=1,45
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Verified answer
45х+24,75=90
45х=90-24,75
45х=65,25
х=65,25/45
х=1,45
Ответ х=1,45
Verified answer
(10x+5.5)=90/4.510x+5.5=20
10x=20-5.5
10x=14.5
x=14.5/10
x=1.45