Solve the following system of equations by substitution and select the correct answer below: 4x − 6y = 28 8x − 4y = 24
2 answers:
According to my calculation it should be C: x= 1 and y = - 4
NOTE: I had it right on my online class.
Answer:
the solution is the point 
Step-by-step explanation:
we have
isolate the variable x
-----> equation A
-----> equation B
substitute the equation A in equation B





Find the value of x
the solution is the point 
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