ayuksek2008 ayuksek2008

30-10-2020
Mathematics

contestada

Given that x+y = 7 and 3x+y = 45, evaluate x^2-y^2.

Relax

Respuesta :

ericriddle ericriddle

30-10-2020

Answer:

it's 21x

Step-by-step explanation:

yeah I figured it out

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