SOLUTION: How do you solve this system of linear equations 4a=7-b and 4a-3-b using the substitution method

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Question 744113: How do you solve this system of linear equations 4a=7-b and 4a-3-b using the substitution method
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
solve this system of linear equations
4a=7-b and 4a= 3-b using the substitution method.
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Since both equal 4a,
7-b = 3-b
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That is a contradiction.
Conclusion: No solution
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Cheers,
Stan H.