SOLUTION: solve the system by substitution.
x + y = 12
y = 2x
Algebra.Com
Question 110548: solve the system by substitution.
x + y = 12
y = 2x
Answer by HyperBrain(694) (Show Source): You can put this solution on YOUR website!
But, . So,
Again, So,
Thus, x=4 and y=8.
Power up,
HyperBrain!
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