What is the solution of this system of equations
Y=3x+7 y=x-9
1 answer:
Answer:
x=-8, y=-17. (-8, -17).
Step-by-step explanation:
y=3x+7
y=x-9
-----------
3x+7=x-9
3x-x+7=-9
2x+7=-9
2x=-9-7
2x=-16
x=-16/2
x=-8
y=-8-9=-17
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