24-05-2016
Mathematics

contestada

the different of two numbers is 18 twice the smaller number is 56 less than three times the larger what are the numbers

Respuesta :

28-05-2016

Hello,
Let a the greater number
b the smaller one

a-b=18
2b=3a-56
==>
a-b=18 |*(-2)
3a-2b=56

==>a=56-2*18
==>a=20 and b=a-18=2

Proof a-b=20-2=18
2=3*20-56

Numbers are 20 and 2.

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