SOLUTION: how do you solve and check the following problems using the substition method?
y=5x
2x+y=28
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Question 173838: how do you solve and check the following problems using the substition method?
y=5x
2x+y=28
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
Directly substitute eq. 1 into eq. 2,
2.
From eq. 1,
1.
The solution is x=4, y=20.
To check the solution, plug the solution into the equations.
1.
True.
2.
True.
.
.
.
The solutions led to true statements.
They are good solutions.
.
.
.
x=4
y=20
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