What is the solution (x, y) to the system of equations shown?
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)
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The equation of a direct variation is of the form
But the given function can be rewritten as
This is a partial variation,
is the constant of variation and
is the fixed constant.
But the given function can be rewritten as
This is a partial variation,
is the constant of variation and
is the fixed constant.