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Maths Puzzle
Numerical Ability
-9(x-3)^2=-7
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what is the soultion to this simultaneous equation using substion or addtion method?
2x+3y=-5
3x-y=20
Please help me to solve this problem. Is it possible to solve the problem and when we start of it is greater than , but can the answer change to less than?
4x-2(2+x)>-(3-2X)