When a number is decreased by 20 of itself the result is 56?

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asked Oct 6, 2019 227k views

1 Answer

Palani Kannan · Answer 1 · 2019-10-13T01:53:53+0000

let the number be x
x-20=56
collect like terms or add 20 to both sides
by collecting like terms
x=56+20
x=76

by adding 20 to both side
x-20+20=56+20
x=76

When a number is decreased by 20 of itself the result is 56?

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