exam Maths Puzzle Numerical Ability

Can you tell me if these systems are consistent, inconsistent, or dependent?

3x - 3y = -9
9x - 9y = -27

Please help.

Ellen

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exam Other Question

Plot the point with coordinates (-3, -3). Assume the following statements:
P= The temperature is 70 degrees
Q= It is Raining
R= There is no wind

Find the following statement in word form: Q --> (~R upside down v ~P)