chloecolleen chloecolleen

02-04-2020
Mathematics

contestada

Duive.
1. Eight is added to a number and the sum is doubled, the result is -11 less than the number. Find
the number

Respuesta :

devishri1977 devishri1977

02-04-2020

Answer:

-27

Step-by-step explanation:

Number be x

Eight added to number: x+8

sum is doubled: 2*(x + 8)

-11 less than number: x -11

2*(x + 8) = x -11

2*x + 2*8 = x - 11

2x + 16 = x - 11

2x - x = -11 -16

x = -27

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Necesito ayuda con esto por favooooor:( x-2y=8 x-y=3 3x+2y=17 2x+y=28 x+y=13