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Sagot :
Answer:
x=1, y=-7
Step-by-step explanation:
y=-9x+2 -->y+9x=2
y=-3x-4 -->y+3x=-4
subtract the equations
6x=6
x=1
substitute
y=-9+2
y=-7
Answer:
1st question 2nd question
Step-by-step explanation:


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