Nerdy11
Nerdy11 Nerdy11
  • 01-06-2017
  • Mathematics
contestada

how do you solve this?

how do you solve this class=

Respuesta :

choco4
choco4 choco4
  • 01-06-2017
-7x -7y = 21
Y = 6

Since they are giving you the value of 6 you just plug it in the equation

-7x - 7(6) = 21
-7x - 42 = 21
+ 42. +42

-7x = 63
/-7. /-7

X = -9
Answer Link
Аноним Аноним
  • 01-06-2017
-7x-7y=21
Y=6
-7x-7×6=21
Answer Link

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