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luda_lava [24]
3 years ago
8

ANSWER QUICK ITS HOMEWORK

Mathematics
1 answer:
Olegator [25]3 years ago
6 0

Answer:

add it

Step-by-step explanation:

add 85 and 77 then minus it from 180

answer will come

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Alvin is 9 years older than Elga. The sum of their ages is 89. What is Elga's age?
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Answer:

Alvin: 49

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Step-by-step explanation:

  1. The equation is 89 = x + (x-9).
  2. Remove the parenthesis and combine the like terms. 89 = 2x - 9
  3. Add 9 on both sides. 98 = 2x
  4. Divide by 2 on both sides. x = 49
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