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gregori [183]
3 years ago
5

What does y equal? 0.5y-4=y-0.8

Mathematics
2 answers:
jeka943 years ago
5 0
0,5y-4=y-0,8\ \ \  | subtract\ y\\\\
-0,5y-4=-0,8\ \ \ | add\ 4\\\\
-0,5y=3,2\ \ \ | divide\ by\ -0,5\\\\
y=-6,4\\\\Solution\ is\ y=-6,4
Sergeeva-Olga [200]3 years ago
4 0
0.5y-4=y-0.8
Multiply by 2 so all y's are whole numbers
y-8=2y-1.6
Rearrange
2y-1.6=y-8
y=9.6
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