Solve the equation using Addition method.
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Some election data can be modeled by the following system of equations --
x + 2y = 47
-x + 2y = 27
where x is the years after 1996, and y is the percentage of group A voters in the first equation, and y is the percentage of group B voters in the second equation. Use the addition method to determine in which year the percentage of voters from group A will be the same as the percentage of voters from group B. For that year, what percent will be from group A and what percent will be from group B ?
In which year will the percentage of voters from group A be the same as the percentage of voters from group B ?
What percentage will be from group A and what percent will be from group B that year ?
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Solution Summary
This solution shows step by step how to use the addition method to calculate a given set of equations.
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Please find below the solution.
x+2y=47
-x+2y=27
Find the value of y from both the equations,
First equation--
x+2y=47 which is equal to-
2y= -x + 47
Divide both the sides of the equation by 2-
y= ...
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