SOLUTION: how do i sove this problem (step by step)
x-y=5 x+2y=7
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Question 137848This question is from textbook prentice hall algebra 1
: how do i sove this problem (step by step)
x-y=5 x+2y=7
This question is from textbook prentice hall algebra 1
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
There are many ways to solve this system of linear equations.
I'll use the substitution method.
Use equation 1, to solve for x in terms of y.
1.
Now use this value and substitute for x in equation 2.
2.
Now solve for y.
You can work backwards and find x now that you have y.
Always check your answers.
Use your original equations.
1.
True statement.
Good answer.
2.
True statement.
Good answer.
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