exam
Maths Puzzle
Numerical Ability
3x-5y=7
-9x+15y=-21
solve for x and y
Read Solution (Total 0)
exam Other Question
Simplify.
-7[27-(12-39)]=
Is the answer to this 273-189-84 ??
I a close or way off the planet??
Could anyone help explain how to figure out the following problem?
3 + _7__
n
Thank you