Plug in the first equation into the he second equation
3x-(2x+7)=-9
3x-2x-7=-9
x-7=-9
x=-2
plug in x=-2 into the first equation
y=2(-2)+7
y=-4+7
y=3
answer: (-2,3)
Answer:
y≥-4 or (-4,∞)
Step-by-step explanation:
9 4/5 as a decimal is 9.8
Answer:
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do u ilke it
Step-by-step explanation:
