Without graphing or solving either system of equations explain how you know what the solution to the system is.
1 answer:
x = 5
y = -1
Step-by-step explanation:
from second equation,
by putting the value of y in first equation
- y = -x + 4
- -1 = -x + 4
- -x = -1 -4
- -x = -5
- x = 5
x = 5 and y = -1
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