aviferrel07 aviferrel07

19-08-2020
Mathematics

contestada

Please Help! Three times the quantity of a number increased by 7 is equal to the same number decreased by 15

Respuesta :

melina03 melina03

19-08-2020

I guess it's x=-11
3x+7=x-15
3x-x=-15-7
2x=-22
X=-11

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