exam
Maths Puzzle
Numerical Ability
2/aČ-2a minus 3/aČ-a-2
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exam Other Question
Solve each of the system by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent.
10x + 2y = 7
y = -5x + 3
Any help is appreciated. Thanks
the follow cryptogram was encoded with a 2 X 2 matrix 5,2,25,11,-2,-7,-15,32,14,-8,-13,38,19,-19,-19,37,16
the last word of the message is -Sue what is the message?
I am not sure what 2 by 2 matrix to use?