Solve the following system:y=4x+5y=x-4
2 answers:
Answer:
x=-3, y=-7. (-3, -7).
Step-by-step explanation:
4x+5=x-4
4x-x=-4-5
3x=-9
x=-9/3
x=-3
y=-3-4=-7
Answer:
x=3, y=-7 is (-3,-7)
Step-by-step explanation:
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