Asked by trixie

use substitution to solve this linear system:

8x + y = -458
-5x + 3y = 221
Answered by Reiny
from the first:
y = -458 - 8x

plug that into the second:

-5x + 3y = 221
-5x + 3(-458-8x) = 221

I will let you finish it,

once you find x, don't forget to find y from y = -458-8x
Answered by saliem
x=39.8
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