SOLUTION: x=y-1
5x=10y
Algebra.Com
Question 1126673: x=y-1
5x=10y
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!
Solve by substitution.
The first equation says that "y-1" is the same as "x". So replace "x" with "y-1" in the second equation. That gives you an equation in only y, allowing you to solve the problem with basic algebra.
You can solve from there.
It's a simple example of how the method of substitution is used to solve pairs of equations in two variables.
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