If x = 2y + 3 and 4x – 5y = 9, what is the value of y?
2 answers:
Answer:
Step-by-step explanation:
y=-1 ans.
x=2*-1=3
x=-2+3
x=1 ans.
Proof:
4*1-5*-1=9
4+5=9
9=9
Answer:
9
Step-by-step explanation:
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Kindergarden
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