exam
Maths Puzzle
Numerical Ability
why does a negative times a negative equal a positive like:
Simplify
-2(5m-3)
-10m(6)
right? i was using the distributive propety
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exam Other Question
Can you help me with accounting questions?
Use Cramer's rule to solve the following system of equations. If D=0, use another method to solve.
2x/3-5y/2=3/2
-x/4+5y/2=7/2