exam
Maths Puzzle
Numerical Ability
Solve by the elimination method.
7r - 4s =24
4r + 7s =88
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exam Other Question
simplifiy -6x2(-2x2)(x2)
and -3x4(-2x2)
Im stuck on this problem.
It says solve
12/√(5x+6)=√(2x+5)
Thanks so much