Answer: 28/32 but converted its 7/8. My work is kinda messy sorry. But this is my work.
suppose an amount increase by 50%, then decrease by 50%. will the amount after the decrease be the same as the original amount
1 answer:
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Answer:
Step-by-step explanation:
{у = 3х - 12
{4х + 6у = −6
4x + 6[3x - 12] = −6
4x + 18x - 72 = −6
−6 = −72 + 22x
+72 + 72
___________
66 = 22x
__ ___
22 22
[Plug this back into both equations above to get the y-coordinate of −3];
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