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Solve the following system by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent.
Substitute to get:
10x-10x+6 = 7
This is a contradiction that arose because we assumed the
"x" and the "y" variables in the two equation meant the
That assumption led to the contradiction that 6=7.
Our assumption was wrong.
The system is said to be "inconsistent".