The answer is x = -2. The steps are in the image below.
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I am not 100% sure but I am pretty sure the answer is (3,-1,4)
Answer:
yor mom
Step-by-step explanation:
Add together your portions 1 + 3 + 5 = 9
divide 72 by 9 = 8
Each portion is multiplied by 8
1 x 8 = 8
3 x 8 = 24
5 x 8 = 40
Your portions are 8kg:24kg:40kg
Is this correct? Add 8 + 24 + 40. Do they equal 72? yes. Your portions are correct.