nykelahoward nykelahoward

22-02-2017
Mathematics

contestada

Solve for r and t:
6r - 3t = 6
6r + 8t = -16

Respuesta :

abdulla2001 abdulla2001

22-02-2017

multiply the first equation with (-1)
you should get this

-6r + 3t = -6
6r + 8t = -16

start to eliminate

11t = -22

divide by 11

t = -2

substitute

6r - 3(-2) = 6
6r + 6 = 6
6r = 6 - 6
6r = 0
r=0

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