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2x/5 = x+6
Multiply all terms by 5 to eradicate the fraction:
2x = 5x+30
Collect like terms noting the change in the + and - sign:
2x-5x = 30
-3x = 30
Divide both sides of the equation by -3 to find the value of x:
x = -10
6x + 5
2x + 20 = 3x20 = 3X - 2X20 = X
You can do the equation Y 2x plus 3 on a graph. On this graph the Y would equal 5 and X would equal to 0.
I assume you wish to simplify the expression (x - 2)/(3x + 9) . (2x + 6)/(2x - 4) = (x - 2)(2x + 6) / [(3x + 9)(2x - 4)] = 2(x - 2)(x + 3) / [6(x + 3)(x - 2)] = 1/3.
if you want to factorise it then it will become (2x + 5)(x + 2) if it was equal to something then you would work it out differently. hope this helps