Use the Substitution Method, what is the point of intersection for the following system:

1 answer:

8 0

Answer:

$2x + 2(x - 3) = 18 \\ 2x + 2x - 6 = 18 \\ 4x = 24 \\ x = 24 \div 4 = 6 \\ y = x - 3 = 6 - 3 = 3$

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