exam
Maths Puzzle
Numerical Ability
solve
x - 19 = 3x - 19
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exam Other Question
How do you add this rational expression: 6x+4/x+1 - x-1/x+1?
2[g(b)+1]=2[(b)+1-2[(b)(b)+1]
2[g(b)+1]=2b+1-2(2b^2+1)
2[g(b)+1]=2b+1-4b^2+2
2[g(b)+1]=4b^2+2b+3
is this correct???