SOLUTION: How do I know that my solution to the equation makes sense?
Equation: (3I-20)+I=500
Solution: I=130
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Question 747697: How do I know that my solution to the equation makes sense?
Equation: (3I-20)+I=500
Solution: I=130
Found 2 solutions by mikeebsc, tommyt3rd:
Answer by mikeebsc(26) (Show Source): You can put this solution on YOUR website!
Substitute the number 130 wherever you see the variable I.
(3(130)-20)+130=500
390-20+130=500
370+130=500
500=500
You got it!!
Good job and Good luck,
Mike
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
We can check the correctness of a solution by testing it in the original equation. If the resulting calculation proves to be true, then our solution is correct.
which is true, so our solution is correct
:)
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