exam
Maths Puzzle
Numerical Ability
what is the solution of 2/x+3/7x^2
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exam Other Question
will you help me solve this problem:
9a+7b=-30
8b+5c=11
-3a+10c=73
4x-5_>2(x-3)
17b-14_<18b+8
-9x>-18
3/4(x-15)_>x-18