emma339
emma339
09-02-2018
Mathematics
contestada
A.(7,8)
B.(2,22)
C.(2,8)
D.(3,29)
Respuesta :
altavistard
altavistard
07-07-2018
To solve this system using the subst. method, equate y = 7x + 8 to y = x + 20.
Then 6x = 12, and x = 2. To find y, subst. 2 for x in either of the given equations.
Write your solution as (2, y).
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