17-12-2020
Mathematics

contestada

х+бу =20
x+3y = 14
Solve the simultaneous equations

Respuesta :

CAEDALPE CAEDALPE

17-12-2020

х+6у =20

x+3y = 14 //-1

-----------------------

х+6у =20

-x-3y = -14

------------------------

3y = 6

y = 2

x + 3(2) = 14

x + 6 = 14

x = 14 - 6

x = 8

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