Question

Consider the system of equations:

3x − 4y = 12
2x + 6y = 18

Choose all of the equations that could be used when solving this system by substitution.

x = 9 − 3y
y = 18 − 3x
y = 3x + 3
x =
4
3
y + 4

Answer 1

X = 3x + 3

And

X = 4/3y + 4

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