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A first number plus twice a second number is 9. Twice the first number plus the second totals 21. Find the numbers
1 answer:
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The relationship between the cost of books and pens is an illustration of linear equation.
The linear equation is (a)
From the question, we have:
x exceeds 2 times y by 10
Rewrite as:
x exceeds 2y by 10
Exceed means plus (+)
So, we have:
Equate the above equation to 0
Hence, the required equation is (a)
Read more about linear equation at:
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Solution:
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