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Stella [2.4K]
4 years ago
12

A.(7,8) B.(2,22) C.(2,8) D.(3,29)

Mathematics
1 answer:
11Alexandr11 [23.1K]4 years ago
6 0
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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