Eleven diminished by 5 times a number is the same as 4 times the number increased by 20.

Mathematics

1 answer:

Bas_tet [7]3 years ago

5 0

$x-number\\\\
11-5x=4x+20\\\\
-5x-4x=20-11\\\\-9x=9\ \ |:(-9)\\\\
x=-1\\\\Number\ is\ -9.$

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